am b5fb50a1: Merge "Add instrumentation as a source tag for proguard keep options." into eclair

Merge commit 'b5fb50a133c6fc7fc93d6241912dd9ec24de6ace' into eclair-plus-aosp

* commit 'b5fb50a133c6fc7fc93d6241912dd9ec24de6ace':
  Add instrumentation as a source tag for proguard keep options.