Port jenkins scripts: Add infra/compile_android.sh

Porting https://build.webmproject.org/jenkins/view/webm/libwebm__compile_android
shell command. This is intended to work locally, as well.

Change-Id: I4db5da478f6e43341bee8b71c2eef954580e5ce4
Bug: b:185520494, chromium:1028422
1 file changed