Merge tag 'android-4.4.3_r1'

Android 4.4.3 release 1

Conflicts:
	CleanSpec.mk
	core/Makefile
	core/build_id.mk
	core/version_defaults.mk
	target/product/sdk.mk
	tools/releasetools/ota_from_target_files

(cherry picked from commit 260ee971538b0871332f2d7d424aa16069eac906)

Conflicts:
	core/Makefile
	core/build_id.mk
	tools/releasetools/ota_from_target_files