Cache the application context instead of Activity.

When storing a reference to a Context, ensure that it's the
Application context rather than Activity Context.

Bug: 5084293

Change-Id: Ib0be5f8ceb91846bb985d0813a8f22cabd44eaf8
diff --git a/src/com/android/browser/InstantSearchEngine.java b/src/com/android/browser/InstantSearchEngine.java
index 4dd83fa..7176c0a 100644
--- a/src/com/android/browser/InstantSearchEngine.java
+++ b/src/com/android/browser/InstantSearchEngine.java
@@ -52,7 +52,7 @@
     private final SearchEngine mWrapped;
 
     public InstantSearchEngine(Context context, SearchEngine wrapped) {
-        mContext = context;
+        mContext = context.getApplicationContext();
         mWrapped = wrapped;
     }