Change tracing to TRACE_TAG_SERVER instead of TRACE_TAG_ACTIVITY_MANAGER.

That makes it easier to time it using atrace / systrace....

Bug: 133242016
Test: manual verification

Change-Id: Ib1596a227194c06e09deee68fbb9c51926ff2b24
1 file changed
tree: 26d254df0e15e7e5332491f4d9fcc21b5d6aa3ed
  1. src/
  2. tests/
  3. Android.bp
  4. OWNERS