Turn transcription on if new user accepts Dialer ToS

When a user accepts the Dialer ToS for the first time, we should also enable transcription if it is available.

Bug: 74033229
Test: N/A
PiperOrigin-RevId: 190794147
Change-Id: I7eb9b3d481426aceb55a8990fdbd246101937e7b
1 file changed