[release] Ignore binary-size tracking on auto-rolls

NOTRY=true

Bug: chromium:893991
Change-Id: I490c02266a367d93495a2de7516486aca2c8e26c
Reviewed-on: https://chromium-review.googlesource.com/c/1273118Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56524}

tools/release/auto_roll.py

@@ -151,8 +151,9 @@ class UploadCL(Step):
         ROLL_SUMMARY % (self["last_roll"][:8], self["roll"][:8]))
 
     message.append(ISSUE_MSG)
-
     message.append("TBR=%s" % self._options.reviewer)
+    message.append("Binary-Size: autoroller")
+
     self.GitCommit("\n\n".join(message),  author=self._options.author, cwd=cwd)
     if not self._options.dry_run:
       self.GitUpload(author=self._options.author,

tools/release/test_scripts.py

@@ -1005,7 +1005,9 @@ This only works with a Google account.
 
 CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:android_optional_gpu_tests_rel
 
-TBR=reviewer@chromium.org"""
+TBR=reviewer@chromium.org
+
+Binary-Size: autoroller"""
 
   # Snippet from the original DEPS file.
   FAKE_DEPS = """