Add @UnsupportedAppUsage annotations

For packages:
  android.renderscript

This is an automatically generated CL. See go/UnsupportedAppUsage
for more details.

Exempted-From-Owner-Approval: Mechanical changes to the codebase
which have been approved by Android API council and announced on
android-eng@

Bug: 110868826
Test: m
Change-Id: I016f6e720e79c48afe44f4690b5dd99fc81ae780
Merged-In: I1aa8ebca448547031b426a7b305c5c3d6fcf2652

rs/java/android/renderscript/ProgramVertex.java

@@ -38,6 +38,8 @@
  **/
 package android.renderscript;
 
+import android.annotation.UnsupportedAppUsage;
+
 
 /**
  * @hide
@@ -90,6 +92,7 @@ public class ProgramVertex extends Program {
          *
          * @param rs Context to which the program will belong.
          */
+        @UnsupportedAppUsage
         public Builder(RenderScript rs) {
             super(rs);
         }
@@ -102,6 +105,7 @@ public class ProgramVertex extends Program {
          *          structure
          * @return  self
          */
+        @UnsupportedAppUsage
         public Builder addInput(Element e) throws IllegalStateException {
             // Should check for consistant and non-conflicting names...
             if(mInputCount >= MAX_INPUT) {
@@ -120,6 +124,7 @@ public class ProgramVertex extends Program {
          *
          * @return  ProgramVertex
          */
+        @UnsupportedAppUsage
         public ProgramVertex create() {
             mRS.validate();
             long[] tmp = new long[(mInputCount + mOutputCount + mConstantCount + mTextureCount) * 2];