am e4e8ff5a: am b070b706: VBO test is a known failure

* commit 'e4e8ff5aabea79c51205857b7ea9065ce0726d2f':
  VBO test is a known failure
diff --git a/tests/expectations/knownfailures.txt b/tests/expectations/knownfailures.txt
index 0d4f101..1992b11 100644
--- a/tests/expectations/knownfailures.txt
+++ b/tests/expectations/knownfailures.txt
@@ -1,2 +1,6 @@
 [
+{
+  name: "android.openglperf.cts.GlVboPerfTest#testVboWithVaryingIndexBufferNumbers",
+  bug: 6950385
+}
 ]