Roll Flutter from c9affdb to 27f8ebd (15 revisions) (#3098)

* 7d3b762 Fix: Added `margin` parameter for `MaterialBanner` class (flutter/flutter#119005)

* 40bd82e Roll Plugins from 1e5efd1 to e9406bc (4 revisions) (flutter/flutter#119249)

* 07522b7 Roll Flutter Engine from 8f1e5dc1b124 to 04f22beebb42 (5 revisions) (flutter/flutter#119218)

* 459c1b7 Marks Mac complex_layout_scroll_perf_macos__timeline_summary to be unflaky (flutter/flutter#119157)

* 2b8f2d0 Add API for discovering assets (flutter/flutter#118410)

* a04ab71 Revert "Add API for discovering assets (#118410)" (flutter/flutter#119273)

* 1da487d Roll Flutter Engine from 04f22beebb42 to 93901260098e (12 revisions) (flutter/flutter#119279)

* 1b779b6 Roll Flutter Engine from 93901260098e to be0125bd5716 (2 revisions) (flutter/flutter#119283)

* 42bd5f2 Download platform-agnostic Flutter Web SDK in the flutter_tool (flutter/flutter#118654)

* d52b6b9 Roll Flutter Engine from be0125bd5716 to d17004dd96d7 (2 revisions) (flutter/flutter#119287)

* 4aed487 Roll Flutter Engine from d17004dd96d7 to a63d98feb608 (3 revisions) (flutter/flutter#119299)

* 05fc29f Rename DeviceGestureSettings.fromWindow to DeviceGestureSettings.fromView (flutter/flutter#119291)

* 86ab01d Revert "Add --serve-observatory flag to run, attach, and test (#118402)" (flutter/flutter#119302)

* 8d03af3 Roll Flutter Engine from a63d98feb608 to 79c958fc7e9b (3 revisions) (flutter/flutter#119306)

* 27f8ebd ade610ec8 [fuchsia] Migrate to new RealmBuilder API (flutter/engine#39175) (flutter/flutter#119310)

Author: engine-flutter-autoroll

.ci/flutter_master.version

@@ -1 +1 @@
-c9affdba9dcd2ac6569092509a44c9c84eba46f5
+27f8ebdaed7078f311d456befae1c6236ba65fd8