Add tint: to the list of allowed Bug: tags.

Bug: tint:700
Change-Id: I296aa62920688074b2c71b6aaec9505af9c10221
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2807715
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 7d2c862..e64ed66 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -192,7 +192,9 @@
     if len(bugs) == 1 and bugs[0] == 'None':
         return []
 
-    projects = ['angleproject:', 'chromium:', 'dawn:', 'fuchsia:', 'skia:', 'swiftshader:', 'b/']
+    projects = [
+        'angleproject:', 'chromium:', 'dawn:', 'fuchsia:', 'skia:', 'swiftshader:', 'tint:', 'b/'
+    ]
     bug_regex = re.compile(r"([a-z]+[:/])(\d+)")
     errors = []
     extra_help = None