Merge "Add a limit on no. of active sessions, committed/leased blobs." into rvc-dev am: c9f2fdc0 am: 416d7d1e am: 1d95eeaf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11978930

Change-Id: I817402dc3840a110f460d9f0d7c1671e372b3511