Prevent resource leak in YuvToJpegEncoder

SkWStream is never deleted before going out of scope

Change-Id: Ifdb75c18336d095b012e73b64281ec6c2fc5c3fe
Skip receiver if failed linkToDeath to ILocationListener

linkToDeath may failed when app was dead immediately after
starting the call to requestLocationUpdates in Location
service. If receiver still record in maps, an exception
will occurred when try to remove receiver's update because
unlinkToDeath will failed.

Change-Id: Id9b00da3b17c1371d61ab4644a70cf9ee934cdcc