Add mixed-build args (kernel build info) in acloud create.

- Add kernel image args to support creating AVD with specific system
image.
- Move baseline image args to AddCommonCreateArgs.

Bug:138098262
Bug:138784241
Test: acloud-dev create --kernel-branch aosp_kernel-common-android-4.19
      acloud-dev create --kernel-build-id 5762085

Change-Id: I72077c44576cae8f6a80f5f54f3c6c0d71dfb294
4 files changed