Break down FlakyTest annotation into methods.

TH can't capture the culprit CL because we mark the
FlakyTest annotation on the entire class, dividing
the annotation into methods instead of the entire
class.

Bug: 137329632
Bug: 127741025
Test: atest android.server.wm.lifecycle
Change-Id: Ia919d9944b5512174f47fcc49dd464fea62c24bf
7 files changed