Merge "Strips spans from AssistStructure text" into udc-qpr-dev am: 710ffbed47 am: 5e9bd70975

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24794711

Change-Id: Ib24a9156c89079b88110a7fe47cb1d0a92cd31cb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>