build: Set QCOM global cflags for secondary arch

Change-Id: I637d94f9b0ddee2c8d6057de44355e482163dd36
build: Fix copypasta in 2nd target clang flags

Change-Id: Ieedce8754b145e53d72a5d6a4b41fbe5cdf6473f
Merge branch 'cm-12.0' of github.com:CyanogenMod/android_build into cm-12.0