Merge "Fix bubble shows empty content after rotating the device." into rvc-dev am: e8a51880b5 am: dacdf42b2c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12070365

Change-Id: I6cfca494a37a8261b57b2b3ca4b92e7842b6617a