CameraHAL: Switch default focus mode back to auto

Since Barcode scanner app doesnt support continuous
auto focus and the locking semantics around
autoFocus api.

Fixes b/5434919

Change-Id: Ie45f1553e468f2d25fee256dab2492713add2744
Signed-off-by: Sundar Raman <sunds@ti.com>
1 file changed