Merge tag 'android-4.4.3_r1.1' into HEAD

Android 4.4.3 release 1.1

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

Change-Id: Ia4873047a6bcc164d3b12a019140623914f2cc14