Add new HWC HAL methods for Android P.

Add new methods to support HDR, video readback mechanism and
additional power mode.

Test: adb shell /data/nativetest/VtsHalGraphicsComposerV2_2TargetTest/VtsHalGraphicsComposerV2_2TargetTest
Bug: 71513501
Change-Id: I45596df6c5a2a726e12f524e82681aef4bcbe180
diff --git a/graphics/composer/2.2/utils/OWNERS b/graphics/composer/2.2/utils/OWNERS
new file mode 100644
index 0000000..1beb074
--- /dev/null
+++ b/graphics/composer/2.2/utils/OWNERS
@@ -0,0 +1,8 @@
+# Graphics team
+courtneygo@google.com
+olv@google.com
+stoza@google.com
+
+# VTS team
+yim@google.com
+zhuoyao@google.com