rename TRIGGER_CLEAR_RAT_BLOCK to _BLOCKS

Rename TRIGGER_CLEAR_RAT_BLOCK to TRIGGER_CLEAR_RAT_BLOCKS
and update comments for TRIGGER_RAT_BLOCK

Bug: 315094087
Test: FrameworksTelephonyTests:ImsPhoneCallTrackerTest#testUpdateImsRegistrationInfo
Change-Id: I5c3f60c80caae0f66c40c18c0dd80e1e01b3ec42
2 files changed