Apply theme to cancel button in progress dialog

Bug: 302698692
Test: manual
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:e357d6294db4a988d6f2b64ca97951386a947180)
Merged-In: I4074fc8a9b9634d666404840c6d05338568939e8
Change-Id: I4074fc8a9b9634d666404840c6d05338568939e8
2 files changed