Roll Flutter from 34c2a3b158b2 to f4334d27934b (18 revisions) (flutter#9807)

flutter/flutter@34c2a3b...f4334d2

2025-08-14 engine-flutter-autoroll@skia.org Roll Dart SDK from 9b4691f35139 to 214a7f829913 (2 revisions) (flutter/flutter#173769)
2025-08-14 engine-flutter-autoroll@skia.org Roll Skia from b3e86773dae1 to dca5f05fee87 (4 revisions) (flutter/flutter#173763)
2025-08-14 engine-flutter-autoroll@skia.org Roll Dart SDK from 73153bdc1459 to 9b4691f35139 (3 revisions) (flutter/flutter#173755)
2025-08-14 engine-flutter-autoroll@skia.org Roll Skia from 5852eddfd404 to b3e86773dae1 (1 revision) (flutter/flutter#173750)
2025-08-14 azat24680@gmail.com Allow empty initial time when using text input mode in showTimePicker dialog (flutter/flutter#172847)
2025-08-13 engine-flutter-autoroll@skia.org Roll Skia from 525e2bf80559 to 5852eddfd404 (2 revisions) (flutter/flutter#173740)
2025-08-13 mdebbar@google.com [web] Popping a nameless route should preserve the correct route name (flutter/flutter#173652)
2025-08-13 ahmedsameha1@gmail.com Make sure that a ChoiceChip doesn't crash in 0x0 environment (flutter/flutter#173322)
2025-08-13 bkonyi@google.com [ Tool ] Fix missing import for widget_preview.dart (flutter/flutter#173731)
2025-08-13 engine-flutter-autoroll@skia.org Roll Skia from f7fdda3cd0e6 to 525e2bf80559 (7 revisions) (flutter/flutter#173727)
2025-08-13 matanlurey@users.noreply.github.com Do not include `:unittests` unless `enable_unittests` (flutter/flutter#173729)
2025-08-13 engine-flutter-autoroll@skia.org Roll Packages from 08a9b2c to 6cb9113 (1 revision) (flutter/flutter#173726)
2025-08-13 56157868+albinpk@users.noreply.github.com fix: selected date decorator renders outside PageView in `DatePickerDialog` dialog (flutter/flutter#171718)
2025-08-13 bkonyi@google.com [ Widget Preview ] Add `--machine` mode (flutter/flutter#173654)
2025-08-13 ahmedsameha1@gmail.com Make sure that a Chip doesn't crash in 0x0 environment (flutter/flutter#173245)
2025-08-13 returnymgstokh@icloud.com feat: Cupertino sheet implement upward stretch on full sheet (flutter/flutter#168547)
2025-08-13 131446187+TheLastFlame@users.noreply.github.com Fix visual overlap of transparent routes barrier when using FadeForwardsPageTransitionsBuilder (flutter/flutter#167032)
2025-08-13 32538273+ValentinVignal@users.noreply.github.com Fix `ChipThemeData` lerp for `BorderSide` (flutter/flutter#173160)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-packages
Please CC louisehsu@google.com,stuartmorgan@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

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

Author: engine-flutter-autoroll

.ci/flutter_master.version

@@ -1 +1 @@
-34c2a3b158b2b395cd31351c1e8a94ed4d9892b4
+f4334d27934b2ec5ddbbcdb16c15ba4acd5f6c49