[automerger skipped] [automerge] DO NOT MERGE Fix crash related to getting the root of an unattached view 2p: 68cb239bb0 am: 6e6a473c20 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22595180

Change-Id: I79728213d7c9f2dc1ad5f53fc818377c8306bb33
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>