Fix the build for Xcode 5.

Change-Id: Icf8a4917d23114dae62a0e8ac3563587c3bf0361
Merge "Build: update qcom_utils.mk" into cm-10.2
Add a unique build number to every build

SDK-readable via android.os.Build.INCREMENTAL

Change-Id: If9885adebe12a56b2b2e353285721be695bc411b

Conflicts:
	envsetup.sh