Upload using an intent service rather than just a thread.  More robust in case the keyboard
is closed and the upload hasn't finished yet.

multi-project commit with Id515c2b1b0d6f85be50f92a661a2d32ebaeaa143

Bug: 6188932
Change-Id: I64a9fab92ff89ee09df877db4e5f7f0ec0ffb3b6