ANGLE: Add gles31-angle-excluded.txt

Add the file android/cts/angle/gles31-angle-excluded.txt and exclude the
newly failing tests.

Test: multisample_interpolation.sample_qualifier.multisample_texture*
Test: multisample_interpolation.sample_qualifier.multisample_rbo*

Change-Id: I4046486c5068ad228b9efaff27debc270617acda
diff --git a/android/cts/angle/gles31-angle-excluded.txt b/android/cts/angle/gles31-angle-excluded.txt
new file mode 100644
index 0000000..730f3c0
--- /dev/null
+++ b/android/cts/angle/gles31-angle-excluded.txt
@@ -0,0 +1,11 @@
+# OpenGL ES 3.1 Tests to exclude when Testing ANGLE.
+
+# http://anglebug.com/6876
+dEQP-GLES31.functional.shaders.multisample_interpolation.sample_qualifier.multisample_texture_1
+dEQP-GLES31.functional.shaders.multisample_interpolation.sample_qualifier.multisample_texture_2
+dEQP-GLES31.functional.shaders.multisample_interpolation.sample_qualifier.multisample_texture_4
+dEQP-GLES31.functional.shaders.multisample_interpolation.sample_qualifier.multisample_texture_8
+dEQP-GLES31.functional.shaders.multisample_interpolation.sample_qualifier.multisample_rbo_1
+dEQP-GLES31.functional.shaders.multisample_interpolation.sample_qualifier.multisample_rbo_2
+dEQP-GLES31.functional.shaders.multisample_interpolation.sample_qualifier.multisample_rbo_4
+dEQP-GLES31.functional.shaders.multisample_interpolation.sample_qualifier.multisample_rbo_8