Add delay when opening QS

Without a delay, launchQuickSettings would return too early, and future
callers would get incorrect coordinates of the QS footer.

Test: target=android.platform.test.scenario \
      adb shell am instrument -w --user 0 -e iterations 5 -e class \
          $target.multiuser.SwitchToExistingUserColdMicroBenchmark \
          $target/androidx.test.runner.AndroidJUnitRunner
Bug: 219853295
Change-Id: I2129655ae639213194a091b1ec016f82b1a76128
1 file changed
tree: 93a180fbd6dbfad4c8a7105a79640b156d00b0c3
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg