DO NOT MERGE ANYWHERE Add new power hints for launch activity

BUG: 28220567
Change-Id: I6da77240cdca5caa2e8504c36e83287954fd6ffc
(cherry picked from commit a787ab79e50f6c5d5fe8b3866cd417a50ef46ff8)
diff --git a/include/hardware/power.h b/include/hardware/power.h
index 2625482..9d6ba45 100644
--- a/include/hardware/power.h
+++ b/include/hardware/power.h
@@ -47,7 +47,9 @@
     POWER_HINT_VIDEO_ENCODE = 0x00000003,
     POWER_HINT_VIDEO_DECODE = 0x00000004,
     POWER_HINT_LOW_POWER = 0x00000005,
-    POWER_HINT_FOREGROUND_LOAD = 0x00000006
+    POWER_HINT_FOREGROUND_LOAD = 0x00000006,
+    POWER_HINT_VR_MODE = 0x00000007,
+    POWER_HINT_LAUNCH = 0x00000008
 } power_hint_t;
 
 typedef enum {