Roll src/third_party/perfetto c2849eabed44..254a80307c6e (2 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/c2849eabed44..254a80307c6e


git log c2849eabed44..254a80307c6e --date=short --no-merges --format='%ad %ae %s'
2019-05-08 lalitm@google.com metrics: fix reading uninitialized memory in metrics platform
2019-05-08 lalitm@google.com Merge "trace_processor: add metrics test infra"


Created with:
  gclient setdep -r src/third_party/perfetto@254a80307c6e

The AutoRoll server is located here: https://autoroll.skia.org/r/perfetto-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


TBR=perfetto-bugs@google.com

Change-Id: I63360d9a0206bd50db93d962c7cf44a9c69e05ac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1601181Reviewed-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@{#657679}

DEPS

@@ -1184,7 +1184,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' +  'c2849eabed440c420ae84bdb298f8baa65b92e59',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '254a80307c6ec561d7f0ff8a24aa844b91fd8fdc',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + 'ac0d98b5cee6c024b0cffeb4f8f45b6fc5ccdb78',