Lower vibration intensity. 30 -> 20

30 is too loud and annoying

Change-Id: I60ce53556db1bfbf98b655f33f3cdd219546e164

Signed-off-by: Nathan Chan <e334cn@gmail.com>
Reorganize camera overaly

Change-Id: I5ae2526819bb9edca570a273fe993b710de64d8a