Accept all mimetypes for inbound bluetooth file transfers

(cherry picked from commit d4505e0801e8ee28b2373985234bc3fdd40d3213)

Change-Id: I5ad0b6dc8575c0fd337aa4a045051a5e0de0eb77
Bluetooth: Use proper holo alert drawable

Change-Id: If63966d34a46a4527d1baaa6c5800588492e6224