Do not use hidden API PowerManager#wakeUp

Replaced with FLAG_KEEP_SCREEN_ON and FLAG_TURN_SCREEN_ON to make
the alert dialog turning on screen.

Bug: 137202333
Test: manual sanity by triggering error message in call.
Change-Id: I021461fee0513c2e808fae60d714991695e25c17
Merged-In: I3ba145fbe3eb69ca39c64523f02082a5d7bd2aeb
2 files changed