signing: Support userdebug-generated display.build.id lines

Change-Id: I3ae608c12a15f6ede2150567662befa7fce763ca
build: Add QCOM target-specific config

 * Needed to support global DirectTract config on legacy targets
 * Let's also eliminate some boilerplate

Change-Id: I736c10a5e7e1f3d1e0de9e60f29b60add276f151

Conflicts:
	core/config.mk

	modified:   core/config.mk
	new file:   core/qcom_target.mk
build: Fix cflags for QC targets

Change-Id: I2281bec3afb4d80e80845718d880dc24ef7baf32
qcom_utils: Update list of QCOM_BOARD_PLATFORMS

Add msm8226 (Moto G) and other upcoming platforms
Change-Id: Icf895cbcf86791ca800636a1c0893b3a905a27a0