t6-common: Remove stale keylayout annotations

Change-Id: If77090025cd14f31dc6e8d425ce1f24736080475
t6-common: init.qcom.rc: start qseecomd as root

qseecomd communicates with the secure domain via rpmb
needed for widevine anti rollback feature.

Bug: 15777869

Change-Id: I6f7066258d409b9e6d447ae17bf50200323fa670
t6-common: Expand TARGET_RECOVERY_DEVICE_DIRS

+= doesn't expand immediately, so define this one explicitly.
Otherwise, build picks up "build/core" as the definition.

Change-Id: Icf83d1c7b0921b5229f8b9ff1db92ee19bc18d03
t6-common: Remove deprecated recovery props

We aren't building cwm in cm-12.0.

Change-Id: I9f7eb4ef8c754ef4088b73b9ee3e0e4c5a1cb1b9