Allow target to specify LOCAL_PREFER_INTEGRITY

The option will:
 - Produce APK with uncompressed dex
 - Declare to prefer integrity in manifest

Test: unzip -vl, dex compression looks correct with the option provided
      or not.
Test: similarly, aapt dump correct attribute
Bug: None

Change-Id: I16b9a37255150c2ad84af84087dfabb536a3b07a