Staging: android: Fix coding style and TODO file

These set of patches Fixes the following issues in the android staging driver

- removed non-existent issue from TODO file
kuid_t or uid_t not present in staging/android
- fixed 80 char limit exceeding line
- a newline after declarations as per checkpatch.pl
- fixed an unnecessary typedef as reported by checkpatch.pl

-Regards,
Sohny