Roll engine 4106d847b098..bd988f6cc3d0 (4 commits) (#37522)

git@github.com:flutter/engine.git/compare/4106d847b098...bd988f6cc3d0

git log 4106d847b098..bd988f6cc3d0 --no-merges --oneline
2019-08-02 a-siva@users.noreply.github.com Roll src/third_party/dart 622ec5099f...9bb446aae1 (14 commits) (flutter/engine#10475)
2019-08-02 skia-flutter-autoroll@skia.org Roll src/third_party/skia 149f3f197897..a800ec96f724 (15 commits) (flutter/engine#10474)
2019-08-02 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/linux-amd64 from 7LN8t... to oMu_X... (flutter/engine#10472)
2019-08-02 garyq@google.com Track detailed LibTxt metrics with LineMetrics(#10127)

The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-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 (franciscojma@google.com), and stop
the roller if necessary.

bin/internal/engine.version

-4106d847b098e0d9bf72eaae069d27889c75f523
+bd988f6cc3d0c17e8bc58c50bf884c6fabd0aad4