Roll Perfetto from ca9406bac452 to b7310899f126 (2 revisions)

https://android.googlesource.com/platform/external/perfetto.git/+log/ca9406bac452..b7310899f126

2020-09-09 hjd@google.com Merge "Revert "Revert "ui: Upgrade mithril 1.0.2 -> 2.0.3"""
2020-09-09 treehugger-gerrit@google.com Merge "Ensure that our join key doesn't contain "NoJank"."

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/perfetto-chromium-autoroll
Please CC perfetto-bugs@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:linux-perfetto-rel
Bug: None
Tbr: perfetto-bugs@google.com
Change-Id: I1b18f384e8535efadfc1fba80f513cc7fffe4d2b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2400883Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#805302}

DEPS

@@ -1249,7 +1249,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'ca9406bac452dcd95a4762c01ec57977a69e3a52',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'b7310899f1269c81b8868a3b60c28ba6607c3ad6',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',