ANDROID: regenerate quilt series

Programmatically regenerate the quilt series for consistency.

Also, this programmatically cleans up the patches as they are freshly
extracted from git and committed without any further modification.

Change-Id: I7e972756b002b6b9966bf0c8a0f3d7a58117206e
Signed-off-by: Matthias Maennich <maennich@google.com>