Merge "Ensure GameSessionTrampolineActivity launches intent once." into tm-dev am: eeebac45 am: 968f8c6e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17864339



Change-Id: I956ac18ffd29e4f51fe1b26b4a8030dd4c7b777c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>