Merge "ussd user input UI fix" into tm-qpr-dev am: bc194100bb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/19243017

Change-Id: I9c3499df69b2c9234599899afd7edb0d3397de8c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>