Disable host side holotests also

This is temporary as we still do not have good reference images to compare with

Bug: 15343612
Change-Id: I69ba82d603104011e01a5db56db0a413192de2c7
diff --git a/tests/expectations/knownfailures.txt b/tests/expectations/knownfailures.txt
index 9b089df..cd7f2d1 100644
--- a/tests/expectations/knownfailures.txt
+++ b/tests/expectations/knownfailures.txt
@@ -8,6 +8,10 @@
   bug: 8148617
 },
 {
+  name: "android.holo.cts.HoloHostTest",
+  bug: 15343612
+},
+{
   name: "android.nativeopengl.EGLCleanupTest#TestCorrect",
   name: "android.nativeopengl.EGLCreateContextTest#BadAttributeFails",
   bug: 11652564