Chrome on Android is going to use android_static_analysis to control
how static analysis runs (values can be: on, off, or build_server). This
arg matters a great deal for build performance.

Bug: 1202732
Change-Id: I0f7437452605f59c9bd01ff75aba56274f115a5b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3427859
Auto-Submit: Peter Wen <wnwen@chromium.org>
Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>