kleaf: Use //private/devices/google/common:kernel

Replace //private/google-modules/soc/gs:gs_kernel_build with
//private/devices/google/common:kernel to remove the unnecessary
dependency on private/google-modules/soc/gs.

Bug: 319536450
Change-Id: Ide0cfdf665be96004c2a0c44fc70110708b3c203
Signed-off-by: Jacky Liu <qsliu@google.com>