Fix up for 4.3

Change-Id: I4d2947281195d62444c6913a709e4d302dc26b19
Update USB support for 10.2

Change-Id: Ia476759fe3b996682e617844571de782eadbdb74
bluedroid: Remove ALSA check on sample rate setting

 * All QC devices using the CodeAurora drivers should be using a 48KHz
   samplerate for A2DP.

Change-Id: I8cec354c5a2dde0f85f19cfee2f75501f2a2d5a3
usb: Abort writes if device is absent

Fix crash loops when a device "loses" a removable USB adapter between
boots and the service was left enabled

Change-Id: I4ab7cebb631438bf092d55da1ff7218c2b8d096b