Fix a few UI bugs.

 - clear call log dialog no longer crashes
 - phone account selector dialog now has a visible title
 - dialpad text in the incall ui is now visible.

Bug: 80144855,80146941,80175230
Test: tap
PiperOrigin-RevId: 197952658
Change-Id: Ifaea9b798fef7e36d681a83269e4f65df33f1193