Roll Perfetto from f926b0866fe4 to d2a9f6661597 (3 revisions)

https://android.googlesource.com/platform/external/perfetto.git/+log/f926b0866fe4..d2a9f6661597

2020-08-17 aninditaghosh@google.com Add public docs for TP Python API
2020-08-17 lalitm@google.com Merge "trace_processor: Skipping an android log message is info not error"
2020-08-17 fmayer@google.com Strip in update_[traceconv|trace_processor].

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: chromium:163311671
Tbr: perfetto-bugs@google.com
Change-Id: If9e7da732efc8ce7f33d7684e8d33a58e4a29691
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2360265Reviewed-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@{#798840}

DEPS

@@ -1248,7 +1248,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'f926b0866fe44bc2b8b3a023c86de8143e0e4085',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'd2a9f66615975d5f19b744c213a0ab9c6f832550',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',