GitLab

App built for "catalyst" environment are regular macOS app (linked
with some support libraries). Update the build rules to generate a
macOS app bundle when environment is "catalyst".

Update the codesign.py and write_framework_modulemap.py script to
use the correct bundle structure.

Bug: 1138425
Change-Id: I135068a92101b755f588ca25ae9420660ea4a66c
Cq-Include-Trybots: luci.chromium.try:ios-simulator-cronet
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2498527
Commit-Queue: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821849}