Upstream partner request to add BC methods to core platform API.

This change adds methods and a field inadvertently missed in
http://r.android.com/954559 and http://ag/7277168

Bug: 129665886
Bug: 129440746
Test: m && flashall
Change-Id: Ia31cb34b09a6759da739b821deba7f0e82a57041
Merged-in: Ia31cb34b09a6759da739b821deba7f0e82a57041
(cherry picked from commit 5df38692a9fc3ba2f140f1d98c6dff424c398615)
4 files changed