Merge "Add a limit on no. of active sessions, committed/leased blobs." into rvc-dev am: c9f2fdc0ba am: 4bcdcbcb90

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

Change-Id: I99280d806782c16f8fd44ea17c1ac2f520db2411