libcamera: Increase buffer to 11 from 8 for fixing tearing

Bug fix: Camcording video has tearing issues on low resolution or
         in daylight condition. It is caused overwriting buffers
         before processing recording. So we increase number of buffers.

Signed-off-by: Jeong-Seok Yang <jseok.yang@samsung.com>

Change-Id: I2a02183174a18472df2506c5f20f324644161c32
1 file changed