external: Bump stoken to rev 4637c7489

This picks up the new class GUID API and formatTokencode() API.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
ImportActivity: Rework handling of bound device IDs

Try guessing our computed ID and the standard class GUIDs first; if
that succeeds, autofill the form.  If that fails, give the user a better
indication of whether the devid or the password is incorrect.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Misc: readStringFromUri: Cap the input length

Selecting a large file can result in an OutOfMemoryError.  Limit the
input to 64kB to prevent this.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Update changelog and bump version to v0.90 (909)

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
external: Update stoken to rev e5a13e5e8

This picks up the fix for the stoken_info memory leak.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
external: Switch from NDK r9d -> r10

This needs to invoke bash explicitly, as r10 has a newly-introduced
bashism.  See:

https://code.google.com/p/android/issues/detail?id=74145

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Switch README and Travis builds to NDK r10

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>