power: Re-Enable power_hint() call for Mode::LAUNCH.

This hint is handled by most supported targets.

Change-Id: I9e02dd50e748bde078c2c7588f4f60dcae9027dc

Power.cpp

@@ -79,7 +79,6 @@ ndk::ScopedAStatus Power::setMode(Mode type, bool enabled) {
         case Mode::DOUBLE_TAP_TO_WAKE:
 #endif
         case Mode::LOW_POWER:
-        case Mode::LAUNCH:
         case Mode::EXPENSIVE_RENDERING:
         case Mode::DEVICE_IDLE:
         case Mode::DISPLAY_INACTIVE:
@@ -91,6 +90,9 @@ ndk::ScopedAStatus Power::setMode(Mode type, bool enabled) {
         case Mode::VR:
             LOG(INFO) << "Mode " << static_cast<int32_t>(type) << "Not Supported";
             break;
+        case Mode::LAUNCH:
+            power_hint(POWER_HINT_LAUNCH, enabled ? &enabled : NULL);
+            break;
         case Mode::INTERACTIVE:
             setInteractive(enabled);
             power_hint(POWER_HINT_INTERACTION, NULL);
@@ -119,6 +121,7 @@ ndk::ScopedAStatus Power::isModeSupported(Mode type, bool* _aidl_return) {
 #ifdef TAP_TO_WAKE_NODE
         case Mode::DOUBLE_TAP_TO_WAKE:
 #endif
+        case Mode::LAUNCH:
         case Mode::INTERACTIVE:
         case Mode::SUSTAINED_PERFORMANCE:
         case Mode::FIXED_PERFORMANCE: