Roll src/third_party/perfetto c500e36711d5..a745cdf1c11f (4 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/c500e36711d5..a745cdf1c11f


git log c500e36711d5..a745cdf1c11f --date=short --no-merges --format='%ad %ae %s'
2018-08-13 lalitm@google.com perfetto: fix string view unittest for Chromium autoroller
2018-08-12 primiano@google.com UI: Initial clean up and improvements
2018-08-10 dproy@google.com Fix hover for chrome slices
2018-08-10 primiano@google.com Add StringView class and switch trace processor to use it


Created with:
  gclient setdep -r src/third_party/perfetto@a745cdf1c11f

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

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: I8dd67c02eca58c773700485b29a7008a1a3a7bba
Reviewed-on: https://chromium-review.googlesource.com/1172382Reviewed-by: perfetto-chromium-autoroll <perfetto-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: perfetto-chromium-autoroll <perfetto-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#582568}

DEPS

@@ -930,7 +930,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' +  'c500e36711d5f546b5b41695de1d6cf194207692',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' +  'a745cdf1c11f9bbdc0b5a1954d992ea27a4f4e75',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + 'ac0d98b5cee6c024b0cffeb4f8f45b6fc5ccdb78',