[Nexus 6 Q&A, Help & Troubleshooting] robroth:
Well unfortunately it didn't work to unbrick my phone for some reason, but here's a copy of build.prop I pulled out of the stock 6.0.1 ROM in case someone else ever needs this.

#

# PRODUCT_OEM_PROPERTIES

#

import /oem/oem.prop ro.config.ringtone

import /oem/oem.prop ro.config.notification_sound

import /oem/oem.prop ro.config.alarm_alert

import /oem/oem.prop ro.config.wallpaper

import /oem/oem.prop ro.config.wallpaper_component

import /oem/oem.prop ro.oem.*

import /oem/oem.prop oem.*

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=MMB29K

ro.build.display.id=MMB29K

ro.build.version.incremental=2419427

ro.build.version.sdk=23

ro.build.version.preview_sdk=0

ro.build.version.codename=REL

ro.build.version.all_codenames=REL

ro.build.version.release=6.0.1

ro.build.version.security_patch=2015-12-01

ro.build.version.base_os=

ro.build.date=Wed Nov 11 22:49:21 UTC 2015

ro.build.date.utc=1447282161

ro.build.type=user

ro.build.user=android-build

ro.build.host=wped2.hot.corp.google.com

ro.build.tags=release-keys

ro.build.flavor=shamu-user

ro.product.model=Nexus 6

ro.product.brand=google

ro.product.name=shamu

ro.product.device=shamu

ro.product.board=shamu

# ro.product.cpu.abi and ro.product.cpu.abi2 are obsolete,

# use ro.product.cpu.abilist instead.

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.cpu.abilist=armeabi-v7a,armeabi

ro.product.cpu.abilist32=armeabi-v7a,armeabi

ro.product.cpu.abilist64=

ro.product.manufacturer=motorola

ro.product.locale=en-US

ro.wifi.channels=

ro.board.platform=msm8084

# ro.build.product is obsolete; use ro.product.device

ro.build.product=shamu

# Do not try to parse description, fingerprint, or thumbprint

ro.build.description=shamu-user 6.0.1 MMB29K 2419427 release-keys

ro.build.fingerprint=google/shamu/shamu:6.0.1/MMB29K/2419427:user/release-keys

ro.build.characteristics=nosdcard

# end build properties

#

# ADDITIONAL_BUILD_PROPERTIES

#

ro.config.ringtone=Titania.ogg

ro.config.notification_sound=Tethys.ogg

ro.config.alarm_alert=Oxygen.ogg

ro.com.android.dataroaming=false

ro.url.legal=http://www.google.com/intl/%s/mobile/android/basic/phone-legal.html

ro.url.legal.android_privacy=http://www.google.com/intl/%s/mobile/android/basic/privacy.html

ro.com.google.clientidbase=android-google

ro.carrier=unknown

ro.com.android.wifi-watchlist=GoogleGuest

ro.error.receiver.system.apps=com.google.android.gms

ro.setupwizard.enterprise_mode=1

fmas.spkr_6ch=35,20,110

fmas.spkr_2ch=35,25

fmas.spkr_angles=10

fmas.spkr_sgain=0

media.aac_51_output_enabled=true

ro.audio.monitorRotation=true

ro.opengles.version=196609

ro.sf.lcd_density=560

persist.hwc.mdpcomp.enable=true

rild.libpath=/system/vendor/lib/libril-qc-qmi-1.so

persist.radio.apm_sim_not_pwdn=1

persist.radio.no_wait_for_card=1

persist.ims.disableDebugLogs=1

persist.ims.disableADBLogs=2

persist.ims.disableQXDMLogs=0

persist.ims.disableIMSLogs=1

persist.camera.hal.debug.mask=7

persist.camera.ISP.debug.mask=0

persist.camera.pproc.debug.mask=7

persist.camera.stats.debug.mask=0

persit.camera.imglib.logs=1

persist.camera.mct.debug.mask=1

persist.camera.sensor.debug=0

vidc.debug.level=1

persist.radio.oem_socket=false

persist.qcril_uim_vcc_feature=1

ro.telephony.default_cdma_sub=0

ro.telephony.default_network=10

telephony.lteOnCdmaDevice=1

persist.radio.fsg_reload_on=1

persist.radio.mcfg_enabled=1

ro.hwui.texture_cache_size=72

ro.hwui.layer_cache_size=48

ro.hwui.r_buffer_cache_size=8

ro.hwui.path_cache_size=32

ro.hwui.gradient_cache_size=1

ro.hwui.drop_shadow_cache_size=6

ro.hwui.texture_cache_flushrate=0.4

ro.hwui.text_small_cache_width=1024

ro.hwui.text_small_cache_height=1024

ro.hwui.text_large_cache_width=2048

ro.hwui.text_large_cache_height=1024

dalvik.vm.heapgrowthlimit=256m

dalvik.vm.heapstartsize=8m

dalvik.vm.heapsize=512m

dalvik.vm.heaptargetutilization=0.75

dalvik.vm.heapminfree=512k

dalvik.vm.heapmaxfree=8m

ro.frp.pst=/dev/block/platform/msm_sdcc.1/by-name/frp

af.fast_track_multiplier=1

audio_hal.period_size=192

persist.rcs.supported=0

persist.audio.dualmic.config=endfire

persist.audio.fluence.voicecall=true

persist.audio.fluence.voicerec=false

persist.audio.fluence.speaker=false

persist.radio.sib16_support=1

persist.data.qmi.adb_logmask=0

persist.data.iwlan.enable=true

persist.radio.ignore_ims_wlan=1

persist.radio.data_con_rprt=1

persist.radio.alt_mbn_name=tmo_alt.mbn

keyguard.no_require_sim=true

drm.service.enabled=true

ro.facelock.black_timeout=400

ro.facelock.det_timeout=1500

ro.facelock.rec_timeout=2500

ro.facelock.lively_timeout=2500

ro.facelock.est_max_time=600

ro.facelock.use_intro_anim=false

persist.sys.dalvik.vm.lib.2=libart

dalvik.vm.isa.arm.variant=krait

dalvik.vm.isa.arm.features=default

net.bt.name=Android

dalvik.vm.stack-trace-file=/data/anr/traces.txt

ro.build.expect.bootloader=moto-apq8084-71.15

ro.build.expect.baseband=D4.01-9625-05.32+FSG-9625-02.109

ro.expect.recovery_id=0x3ea75a13c2508c3d2f62f54255a4604553843ffe000000000000000000000000