Roll src/third_party/perfetto/ 706b28889..1bc7e6d68 (7 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/706b28889182..1bc7e6d68e88

$ git log 706b28889..1bc7e6d68 --date=short --no-merges --format='%ad %ae %s'
2018-06-06 lalitm perfetto: fix debug build
2018-06-06 lalitm trace_processor: fix failing unittests
2018-06-06 lalitm trace_processor: insert ftrace events into trace storage
2018-06-05 oysteine Chrome events: Add a field for convertible trace event args
2018-06-05 oysteine Chrome: moved tests that rely on UnixTaskRunner specifically into a !is_win block.
2018-06-05 hjd ui: Add UI unittests to travis
2018-06-05 lalitm protozero: make ParseVarInt more explicit in its return value

Created with:
  roll-dep src/third_party/perfetto
TBR=primiano@chromium.org

Change-Id: I13f6bc5c39564b161cc0dcc93f5b5d6b7a14f5d4
Reviewed-on: https://chromium-review.googlesource.com/1089197Reviewed-by: oysteine <oysteine@chromium.org>
Reviewed-by: Primiano Tucci <primiano@chromium.org>
Commit-Queue: oysteine <oysteine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#564996}

DEPS

@@ -888,7 +888,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '706b28889182216671bb5ac7598c457f9c306df9',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '1bc7e6d68e88b0387beef38fd3eccd60dcc163c1',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + 'ac0d98b5cee6c024b0cffeb4f8f45b6fc5ccdb78',