[automerger skipped] DO NOT MERGE Only rely on developer option for back...

[automerger skipped] DO NOT MERGE Only rely on developer option for back animation am: ab58191c am: 431e9f2f -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18310267



Change-Id: I75e17c3bf7f183485843e9c15919f9e37d31fe6b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>