Merge "Add a limit on no. of active sessions, committed/leased blobs." into rvc-dev am: c9f2fdc0ba am: 416d7d1eac am: a801498e60

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

Change-Id: Iaa6f6607621f2b0fbb01c23be5f249cb739d5d24