Clearing photo cache on cursor change

Bug: 2539327
Change-Id: I8173490a3d40c73a23f5c4be2faa53ce7a84c1b4
diff --git a/src/com/android/contacts/ContactPhotoLoader.java b/src/com/android/contacts/ContactPhotoLoader.java
index e82882c..d250a86 100644
--- a/src/com/android/contacts/ContactPhotoLoader.java
+++ b/src/com/android/contacts/ContactPhotoLoader.java
@@ -201,6 +201,11 @@
         mBitmapCache.clear();
     }
 
+    public void clear() {
+        mPendingRequests.clear();
+        mBitmapCache.clear();
+    }
+
     /**
      * Temporarily stops loading photos from the database.
      */