libhwc2.1: Arrange config setting APIs

Bug: 164139096
Change-Id: Id04f2ecdf3e04adc5726b9364e77710609c431c6
Signed-off-by: Sungjun Bae <june.bae@samsung.com>
Signed-off-by: HyunKyung Kim <hk310.kim@samsung.com>
9 files changed