Roll Perfetto from 7ec6f400ea25 to 47c3c7a55be5 (1 revision)

https://android.googlesource.com/platform/external/perfetto.git/+log/7ec6f400ea25..47c3c7a55be5

2020-06-30 fmayer@google.com Merge "Add test for defaulting to "malloc" allocator."

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: I76ab67cbaf5dbdc36088ad0bbd8fce137a8c5a8c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2276187Reviewed-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@{#784184}

DEPS

@@ -1225,7 +1225,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + '7ec6f400ea255f3a412458f6a61e72b2c2985e2e',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + '47c3c7a55be5a9640d444b1e7826c469796675a5',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',