Aapt main dex proguard rules - always keep application

Aapt with -D option was not keeping the application and instrumentation
subclasses, which were instead handled by mainDexClasses.rules. Instead,
include them in the aapt -D output.

Change-Id: Ia3b89fc2edd45d379c4d06f0bf674716646fcb3d
2 files changed