DO NOT MERGE: Add MyanmarTest#testCompositionSemantics to known failure list

Many KitKat devices are still based Zawgyi-One encoding and font
for its SystemUI and WebView implementation.

Bug: 23911934
Change-Id: I54df2e3d3e46f16975ddf35f5bd2b19449c2d08a
diff --git a/tests/expectations/knownfailures.txt b/tests/expectations/knownfailures.txt
index b7b0dce..089b2c9 100644
--- a/tests/expectations/knownfailures.txt
+++ b/tests/expectations/knownfailures.txt
@@ -39,6 +39,10 @@
   bug: 17046287
 },
 {
+  name: "android.text.cts.MyanmarTest#testCompositionSemantics",
+  bug: 23911934
+},
+{
   name: "libcore.javax.net.ssl.SSLSocketTest#test_SSLSocket_getSupportedCipherSuites_connect",
   bug: 18033537
 },