CAS: Add openSessionDefault am: 46720e796c am: 4e21cc8205

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2418320

Change-Id: I842d42f4838e61d6552f41e567a69f16ececbd41
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>