Fix component usage broadcast receivers test failures

Add some delay after the intent get broadcasted for
UsageStatsService to process the component usage event.

Bug: 289282712
Test: atest
CtsUsageStatsTestCases: android.app.usage.cts.UsageStatsTest#testLastTimeAnyComponentUsed_bindExplicitBroadcastReceiverShouldBeDetected
Change-Id: Ia3c144dc37844d329eba29c38acb13834db39a27
Merged-In: Ia3c144dc37844d329eba29c38acb13834db39a27
(cherry picked from commit c6864220226b5f8c0fa06cdf7327abc9939859a4)
1 file changed