Added SPDX-license-identifier-GPL-2.0-only to: am: 652b1a06fa am: 4af58ab424 am: 679ba0e889 am: b63c635778 am: a3c83afb6d am: 131fe0af6d

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/common-modules/virtual-device/5.4/arm64/+/2058974

Change-Id: I787c66c4a733d097bb78e687d42009e86f6574ec
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>