Building Chromium for Tegra 2 devices on Android

Replicating this build

• Follow the Android Build Instructions to configure a build environment.
• Fetch Chromium m56. e.g.

git fetch origin refs/tags/56.0.2924.87

• Apply the patches from this repo.
• Disable arm neon with the following gn flags:

arm_use_neon = false
arm_optionally_use_neon = false

• Build and install the APKs.