Bluetooth: A2dp: Add A2dp Source UUID

Add A2dp source UUID to A2dp profile UUID list so that
once SDP is performed after pairing, A2dp profile is added
to the cached device instance if remote device supports
either A2dp source or sink role.

Change-Id: I67b16ac2c6fd7a6c2510c80c41dca27c35225a1b
CRs-Fixed: 593841
Bluetooth: Validate the device for A2dpSink

This change will check if remote device supports A2dpSink before
sending A2dp connection Request.

Change-Id: I141099f14b697debce59d094a388de344aad1df1
CRs-fixed: 590200
'When to daydream' dialog does not follow the JB dialog design guide

The dialog is a single selection popup and according to the
dialogs design guide the popup should close when the user
has make his/her choice, but in this case it does not.

Change-Id: Iac6bc19146a88236d3253d2d846212ce09b4925b