Update lynx SVN to 12 am: 6cf4507599 am: 86e145eacc am: be76104f54

Original change: https://googleplex-android-review.googlesource.com/c/device/google/lynx/+/23862648

Change-Id: Ib8c2ca6f00b2e6fd1607998d66be4dd43a7f2127
Signed-off-by: Automerger Merge Worker <[email protected]>