Fix KeyValueQuotaTest.

Launch the app before requesting backup.

Manually merging the change b/c of conclicts automerging from oreo-mr1-cts-dev

Bug: 77251044
Test: cts-tradefed run cts -m CtsBackupTestCases -t android.backup.cts.KeyValueQuotaTest#testQuotaReported
Change-Id: I82974c26f4985074ab56061e8eb448002f19ae52
1 file changed