Update kernel to builds 7120528

git log --first-parent -100 --oneline --no-decorate a4c4cb612302..e5448a794c4f:
e5448a794c4f ANDROID: Update abi xml following removing the QCOM_COMMAND_DB option
416109b89631 ANDROID: Drop cmd_db items from abi_gki_aarch64_qcom file
e9f5b701b216 ANDROID: db845c KABI update for QCOM_COMMAND_DB as a module
d259e07533db ANDROID: gki_defconfig: Move QCOM_COMMAND_DB out of gki and into device fragments
f7589a13de4b UPSTREAM: soc: qcom: cmd-db: allow loading as a module
90935b28546d BACKPORT: FROMLIST: dmabuf: Add the capability to expose DMA-BUF stats in sysfs
5ad6bc057fe4 ANDROID: GKI: Update ABI with virtual_device symbols
70ac757dc8bf ANDROID: GKI: Update virtual_device symbol list

Test: treehugger
Bug: 170677468
Change-Id: Ib0b978729d1a373faf980e69d855660ddbfbd4c1
48 files changed