Deprecate RS Java APIs.

This CL marks RenderScript Java APIs as deprecated.

Bug: 168711199
Test: m
Test: CtsRenderscriptTestCases
Test: CtsRsCppTestCases
Test: CtsRsBlasTestCases
Change-Id: Id271a794679d445c480d62c87ae6c8150f6901f8
diff --git a/rs/java/android/renderscript/ScriptIntrinsicBlur.java b/rs/java/android/renderscript/ScriptIntrinsicBlur.java
index 0891d51..68cbc3f 100644
--- a/rs/java/android/renderscript/ScriptIntrinsicBlur.java
+++ b/rs/java/android/renderscript/ScriptIntrinsicBlur.java
@@ -20,8 +20,11 @@
  * Intrinsic Gausian blur filter. Applies a gaussian blur of the
  * specified radius to all elements of an allocation.
  *
- *
+ * @deprecated Renderscript has been deprecated in API level 31. Please refer to the <a
+ * href="https://developer.android.com/guide/topics/renderscript/migration-guide">migration
+ * guide</a> for the proposed alternatives.
  **/
+@Deprecated
 public final class ScriptIntrinsicBlur extends ScriptIntrinsic {
     private final float[] mValues = new float[9];
     private Allocation mInput;