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
Merged-In: Id271a794679d445c480d62c87ae6c8150f6901f8
(cherry picked from commit 8b4548c43a06290b5d9446c0235e65f21e9bfe5d)
diff --git a/rs/java/android/renderscript/Font.java b/rs/java/android/renderscript/Font.java
index e47ec4b..6f6f341 100644
--- a/rs/java/android/renderscript/Font.java
+++ b/rs/java/android/renderscript/Font.java
@@ -45,6 +45,7 @@
  * them in the script to suit the user's rendering needs. Font colors work as a state machine.
  * Every new call to draw text uses the last color set in the script.</p>
  **/
+@Deprecated
 public class Font extends BaseObj {
 
     //These help us create a font by family name