Add support for ADPF HintSession sendHint to JNI

 * Add sendHint API to HintManagerService and PerformanceHintManager
 * Plumb relevant calls through the existing implementation
 * Extend existing tests to cover new API calls
 * Update the relevant build files to use power API v4

Bug: b/243973548
Test: atest PerformanceHintNativeTestCases
Test: atest FrameworksCoreTests:android.os.PerformanceHintManagerTest
Test: atest HintManagerServiceTest

Change-Id: Ice7ed8f32e877bd845afad77fcc6ae16f1a1b78c