LRX21N
merge in lmp-release history after reset to lmp-dev
"LRX37"
LRX21O
merge in lmp-release history after reset to lmp-dev
LRX21P
"LRX21Q"
Remove HomeSample from builds

As good as it looks, we already have a launcher (Launcher3)

Change-Id: I87cac70eec30fd62d6f7ecb7777caa9d240fe0ee
product_config: Set CM_BUILD priority above TARGET_BUILD_APPS

Even if we are doing TARGET_BUILD_APPS, we may want to use a cm
target for building.

Change-Id: Ic8053bc679fa8b726be90e611aeaacdf1850cabc
build: don't clear recovery ramdisk

Clearing recovery ramdisk removes all files place there by the
device tree and all busybox symlinks placed there by recovery

Change-Id: I19e6164856a01a83a6e2c50ef96742edcb9f570f
Merge tag 'android-5.0.0_r5' into HEAD

Android 5.0.0 release 5
Merge remote-tracking branch 'upstream/cm-12.0' into cm-12.0