Update kernel to builds 6770034

git log --first-parent -100 --oneline --no-decorate 4d6fc9778d75..3b2fed2f23e8:
3b2fed2f23e8 ANDROID: db845c: set BUILD_INITRAMFS=1
9f6393981184 ANDROID: GKI: Enable CEC support
2a3286f860e0 Merge 5.9-rc1 into android-mainline
b05e7404b71a ANDROID: fix up bad merge resolution / bad revert in soc_pcm_hw_params()
2f22f2ce4b1a Revert "ANDROID: ASoC: Fix 'allmodconfig' build break"
4aeb613af6c0 ANDROID: add flags variable to nfs4_xattr_get_nfs4_user()
df7e491a37d9 Merge 4b6c093e21d3 ("Merge tag 'block-5.9-2020-08-14' of git://git.kernel.dk/linux-block") into android-mainline
9edfd6c57a10 ANDROID: fix up Android-specific Kconfig ---help--- strings

Test: treehugger
Bug: 163218447
Change-Id: Ib42fde8123e450295880ecd82c65881266939764