Fix obvious typos under frameworks/base/core

Change-Id: Ia5fc3db1bb51824e7523885553be926bcc42d736
diff --git a/core/tests/coretests/src/android/util/ListScenario.java b/core/tests/coretests/src/android/util/ListScenario.java
index 22be4e7..fa088a3 100644
--- a/core/tests/coretests/src/android/util/ListScenario.java
+++ b/core/tests/coretests/src/android/util/ListScenario.java
@@ -590,7 +590,7 @@
     }
 
     /**
-     * Return an the number of types created by the adapter. Override if your
+     * Return the number of types created by the adapter. Override if your
      * adapter creates more than one type.
      */
     public int getViewTypeCount() {