This reverts commit 9eddcdc4.

Change-Id: I0d7743e8059dac33d6f4a0ab2e69c4ebc3cec7fb

It's quite ugly, but we want a functional camera until HAL1 issues
will be sorted out.

Change-Id: I56ab4e78600f4d4906dc0b02b205546e1884949b

* Snap support for camera2 api is not full and hal1 mode
provides more features and more stable experience

Change-Id: I5c71337b5cfaa928c1b9515b37cc8e43a60301b2

 * Enable HAl3
 * Add Snap overlays