Handle refinement responses on the main thread. am: 622b5d33df

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/21478208

Change-Id: I8555e500f0b679f0bf996559c70056bef69a177b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>