am d2242c18: Merge "Fix a bug, where the tiles in ImageViewer are freed in PhotoPage.onPause() but not being regeneated in PhotoPage.onResume();" into gingerbread

Merge commit 'd2242c18fd5d629e29f81f1b58e1ac5d004d324b' into gingerbread-plus-aosp

* commit 'd2242c18fd5d629e29f81f1b58e1ac5d004d324b':
  Fix a bug, where the tiles in ImageViewer are freed in PhotoPage.onPause() but not being regeneated in PhotoPage.onResume();