Update lynx SVN to 12 am: 6cf4507599 am: a027344f76 am: fcf71c613d am: 53001274a1

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

Change-Id: I55387848d3be5afb757656b1625e25c5542f3af5
Signed-off-by: Automerger Merge Worker <[email protected]>