APIs for HDR output control

New APIs are added to DisplayManager to set/get HDR conversion
properties. The setter is protected by a new permission.

Bug: 251168516
Test: atest HdrConversionTest
Change-Id: I644ee747b669612f78413117e4f8617dccf88f41
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index c641a85..43062d4 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -508,6 +508,9 @@
     <!-- Permission needed for CTS test - DefaultDisplayModeTest -->
     <uses-permission android:name="android.permission.MODIFY_USER_PREFERRED_DISPLAY_MODE" />
 
+    <!-- Permission needed for CTS test - HdrConversionTest -->
+    <uses-permission android:name="android.permission.MODIFY_HDR_CONVERSION_MODE" />
+
     <!-- Permissions needed for manual testing telephony time zone detector behavior -->
     <uses-permission android:name="android.permission.SUGGEST_TELEPHONY_TIME_AND_ZONE" />