Rename WaitFlags (etc.) to HandleSignals in Java bindings

mojo/android/javatests/src/org/chromium/mojo/HandleMock.java

Index: mojo/android/javatests/src/org/chromium/mojo/HandleMock.java
diff --git a/mojo/android/javatests/src/org/chromium/mojo/HandleMock.java b/mojo/android/javatests/src/org/chromium/mojo/HandleMock.java
index 0144dbbee8feb207e7a79b9106acaa43846bfb78..391067bcac3df20fed3724e1d09b630ec13dc288 100644
--- a/mojo/android/javatests/src/org/chromium/mojo/HandleMock.java
+++ b/mojo/android/javatests/src/org/chromium/mojo/HandleMock.java
@@ -33,10 +33,10 @@ public class HandleMock implements UntypedHandle, MessagePipeHandle,
     }
 
     /**
-     * @see Handle#wait(Core.WaitFlags, long)
+     * @see Handle#wait(Core.HandleSignals, long)
      */
     @Override
-    public int wait(Core.WaitFlags flags, long deadline) {
+    public int wait(Core.HandleSignals signals, long deadline) {
         // Do nothing.
         return MojoResult.OK;
     }