Roll src/third_party/perfetto 0c6dfdbceb9e..7e47609cf293 (1 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/0c6dfdbceb9e..7e47609cf293

git log 0c6dfdbceb9e..7e47609cf293 --date=short --first-parent --format='%ad %ae %s'
2020-03-05 pmuetschard@google.com Adds a LAST_NON_NULL window function to the trace processor.

Created with:
  gclient setdep -r src/third_party/perfetto@7e47609cf293

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: None
Tbr: perfetto-bugs@google.com
Change-Id: I04128556754d1670bd6635b503b300ff5391631f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2090228Reviewed-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@{#747468}

DEPS

@@ -1250,7 +1250,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + '0c6dfdbceb9e7b9c8d6df43ae3e470adb2a78843',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + '7e47609cf293761567803b76069f59c6a6cb46dd',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',