am ba56dfce: DO NOT MERGE Tethering: Delay 1000ms before processing USB disconnect events

Merge commit 'ba56dfce7c751081f2289aa33533dcf4822dc12b' into gingerbread-plus-aosp

* commit 'ba56dfce7c751081f2289aa33533dcf4822dc12b':
  DO NOT MERGE Tethering: Delay 1000ms before processing USB disconnect events