/platform/frameworks/base/media/java/android/media: Corrupt media files set as ringtone causes a

silent ringer.

Corrupted media files that are set as default ringtones causes a silent
ringer. This was handled in Donut. The change got missed when donut code was
merged to eclair in opensource.

Change-Id: If67e57ddef284b2644657cc9cc3cdabf7c000b17
CRs-Fixed: 231927