Roll src/third_party/perfetto d49a958f8fdf..396c6f4d6378 (5 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/d49a958f8fdf..396c6f4d6378

git log d49a958f8fdf..396c6f4d6378 --date=short --first-parent --format='%ad %ae %s'
2020-04-06 primiano@google.com Merge "GN: fix chromium roll."
2020-04-06 ilkos@google.com Handle absence of profile type
2020-04-06 taylori@google.com Merge "perfetto-ui: Change request track data"
2020-04-03 treehugger-gerrit@google.com Merge "Clean up build files"
2020-04-03 joelaf@google.com Merge "Use protobuf from the system if requested"

Created with:
  gclient setdep -r src/third_party/perfetto@396c6f4d6378

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/+/master/autoroll/README.md

Bug: chromium:153257273
Tbr: perfetto-bugs@google.com
Change-Id: Iffa4be281c20e585991028e2afccbc235380bc3c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2137136Reviewed-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@{#756615}

DEPS

@@ -1223,7 +1223,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'd49a958f8fdfd213704b12e0e39667ddc031f347',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + '396c6f4d6378c510ccc2fe683fe4fb117b33ceb8',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',