* The coup de grâce for Exchange in Email
* Remove Exchange bits from AndroidManifest
* Update Android.mk to create static jar for emailcommon
* Delete all com.android.exchange files
* Delete all exchange-only strings
* Change loadAttachment service method to take only attachment id and
background flag
* Add code to AttachmentProvider.openFile() that opens an output file
for attachment writes
* Make sure deviceId is determined in Email app (not Exchange)
Bug: 3442973
Change-Id: I775600252fd121f474d51cb26fefbfcc50e387af
