Enabling mediaprovider MTS tests to be included in
android-mts-mediaprovider as well as android-mts.

Test: built locally and verified contents.
Bug: 170318013
Change-Id: I3852ac8e3f2b423722043225e728de48bab05edd
Merged-In: I3852ac8e3f2b423722043225e728de48bab05edd
Exempt-From-Owner-Approval: approved by owners in downstream branch.
3 files changed