Temporarily removing a few tests

bug: 11238219
Change-Id: Ie9908123cf40e30594e84c928a4caa09e3b271f6
diff --git a/tests/expectations/knownfailures.txt b/tests/expectations/knownfailures.txt
index 6b0f214..ae6a093 100644
--- a/tests/expectations/knownfailures.txt
+++ b/tests/expectations/knownfailures.txt
@@ -14,5 +14,10 @@
   name: "android.hardware.camera2.cts.CameraDeviceTest",
   name: "android.hardware.camera2.cts.CameraManagerTest",
   bug: 11141002
+},
+{
+  name: "com.android.pts.opengl.primitive.GLPrimitiveBenchmark#testFullPipelineOffscreen",
+  name: "com.android.pts.opengl.primitive.GLPrimitiveBenchmark#testPixelOutputOffscreen",
+  bug: 11238219
 }
 ]