Allow Mojo structs as map keys

mojo/android/javatests/src/org/chromium/mojo/bindings/ValidationTest.java

Index: mojo/android/javatests/src/org/chromium/mojo/bindings/ValidationTest.java
diff --git a/mojo/android/javatests/src/org/chromium/mojo/bindings/ValidationTest.java b/mojo/android/javatests/src/org/chromium/mojo/bindings/ValidationTest.java
index b62fe6da79ab176fddcd10c5edfe78c534a42958..d184448ddb6c8c385f544e6df2b7b2b6a62ad922 100644
--- a/mojo/android/javatests/src/org/chromium/mojo/bindings/ValidationTest.java
+++ b/mojo/android/javatests/src/org/chromium/mojo/bindings/ValidationTest.java
@@ -61,7 +61,11 @@ public class ValidationTest extends MojoTestCase {
                 return false;
             }
             // TODO(crbug/640298): Implement max recursion depth for Java.
-            if (pathname.getName().startsWith("conformance_mthd19_good")) {
+            if (pathname.getName().startsWith("conformance_mthd19_exceed_recursion_limit")) {
+                return false;
+            }
+            // TODO(crbug/628104): Support struct map keys for Java.
+            if (pathname.getName().startsWith("conformance_mthd20_good")) {
                 return false;
             }
             return pathname.isFile() && pathname.getName().startsWith(mPrefix)