Roll src/third_party/perfetto 0c127f488fdb..8adff0796b31 (2 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/0c127f488fdb..8adff0796b31

git log 0c127f488fdb..8adff0796b31 --date=short --no-merges --format='%ad %ae %s'
2019-09-25 lalitm@google.com Merge "trace_processor: add support for Android async slices"
2019-09-25 eseckler@google.com Merge "Add public dep for adding categories to data source descriptors"

Created with:
  gclient setdep -r src/third_party/perfetto@8adff0796b31

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

TBR=perfetto-bugs@google.com

Bug: None
Change-Id: I9c1fb7858fce24f71bb075f9912560b0e088dcd2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1825078Reviewed-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@{#699783}

DEPS

@@ -1257,7 +1257,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + '0c127f488fdbbbbf9190cad96c837d5f6a41717c',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + '8adff0796b3103f21db1032b6a9eea9abcfea3ed',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',