Switch build to stricter aapt symbol generation
Switch build to stricter aapt symbol generation

Prevents aapt from generating java symbols for strings that don't have
a default localization.

Bug: 21537397
Change-Id: I2f17397e33d823045f7dcff02e3d0817f3f81849

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build