Update ANR trigger to use AMS#sendProfilingTrigger

Exception handling is currently missing. Changing to this method
keeps the send logic, including error and thread handling,
consolidated.

Bug: 421466666
Flag: EXEMPT - simple bugfix
Test: build, presubmit
Change-Id: I7e1b627242ee5ef6c3be7a11759ba751e5b1fb8f