Remove sleeps from RebootReadinessManagerTest and replace with waits.

This should improve test pass rate.

Bug: 333555726
Test: atest -c CtsRebootReadinessTestCases
Change-Id: I106140186b545fb7d59e777aee9e710cbcb87266
1 file changed
tree: 466082d52e936f1b5e0227d927b3301b92798fd6
  1. apex/
  2. framework/
  3. service/
  4. tests/
  5. OWNERS
  6. PREUPLOAD.cfg