Add MIRRORED_REPEAT.

Change-Id: I7565da24912a3c33d8f824da9ea0899a423d3c40
diff --git a/graphics/java/android/renderscript/RenderScript.java b/graphics/java/android/renderscript/RenderScript.java
index 50d888f..a7a2dc8 100644
--- a/graphics/java/android/renderscript/RenderScript.java
+++ b/graphics/java/android/renderscript/RenderScript.java
@@ -795,6 +795,9 @@
     Sampler mSampler_WRAP_NEAREST;
     Sampler mSampler_WRAP_LINEAR;
     Sampler mSampler_WRAP_LINEAR_MIP_LINEAR;
+    Sampler mSampler_MIRRORED_REPEAT_NEAREST;
+    Sampler mSampler_MIRRORED_REPEAT_LINEAR;
+    Sampler mSampler_MIRRORED_REPEAT_LINEAR_MIP_LINEAR;
 
     ProgramStore mProgramStore_BLEND_NONE_DEPTH_TEST;
     ProgramStore mProgramStore_BLEND_NONE_DEPTH_NO_DEPTH;