[automerger skipped] Merge "Don't abandon child sessions (1/n)" into sc-dev am: 67f179f636 -s ours am: b0168eaa3b -s ours am: d32e53c8c7 -s ours

am skip reason: Merged-In Ib0ba9f3786dda2d3174f3ea8c65d1061a3fcb586 with SHA-1 9324843875 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16572065

Change-Id: Ie9fb91c22fa05830bd6df12e62b3c9ea0db0253a