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/2.1/vts/functional/VtsHalGraphicsComposerTestUtils.h b/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerTestUtils.h
index 29b9de3..00d9d8c 100644
--- a/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerTestUtils.h
+++ b/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerTestUtils.h
@@ -58,10 +58,12 @@
   std::string dumpDebugInfo();
   std::unique_ptr<ComposerClient> createClient();
 
+ protected:
+  sp<IComposer> mComposer;
+
  private:
   void init();
 
-  sp<IComposer> mComposer;
   std::unordered_set<IComposer::Capability> mCapabilities;
 };