Add ANGLE issue tracker to my_activity.py.

Useful tool for perf for the ANGLE team.

Bug: None
Change-Id: I78c3b7d8a4e2a6d19f6b2ea2c8e6d67b2a4dc0af
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1778979
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>

my_activity.py

@@ -99,6 +99,10 @@ gerrit_instances = [
 ]
 
 monorail_projects = {
+  'angleproject': {
+    'shorturl': 'anglebug.com',
+    'short_url_protocol': 'http',
+  },
   'chromium': {
     'shorturl': 'crbug.com',
     'short_url_protocol': 'https',