Use explicit BOUND_FOREGROUND_SERVICE flag to bind

Implicit capabilities had been removed, so now we need to explicitly use
these flags to be able to access the camera2 apis.

Bug: 151873755
Test: manually verified the screen attention works now
Change-Id: I28445db92050f63e08b8455afb94c9fdda94320c
Merged-in: I28445db92050f63e08b8455afb94c9fdda94320c