Use the new settings activity class name

Follow up to I96230f05

Change-Id: I0ee7ccb5461764490ae9c977658883b10fe3ed3d
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index a9f34c6..e4eb0e7 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -2033,7 +2033,7 @@
     }
 
     protected void launchSettings() {
-        launchSettings(Settings.class);
+        launchSettings(SettingsActivity.class);
     }
 
     public void launchDebugSettings() {