Add setBackdropRenderEffect for View and RenderNode.

support visual effects for backdrop contents of a View or RenderNode.

Test: added unit test & hwui_unit passes
Test: added BackdropBlurActivity in HwAccelerationTest, build & run it

Signed-off-by: Dongya Jiang <[email protected]>
Change-Id: If1ac1b8aee53667f175e8fa80ecfc7bdfa28173d
Merged-In: If1ac1b8aee53667f175e8fa80ecfc7bdfa28173d
diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index 80c7a21..db3a992 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -789,6 +789,15 @@
             </intent-filter>
         </activity>
 
+        <activity android:name="BackdropBlurActivity"
+                  android:label="RenderEffect/BackdropBlur"
+                  android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="com.android.test.hwui.TEST"/>
+            </intent-filter>
+        </activity>
+
         <activity android:name="BlurActivity"
                   android:label="RenderEffect/Blur"
                   android:exported="true">