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https://github.com/flutter/flutter.git
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66c8316f97
Fixes error found in rolling to google.
```
[☠] Android toolchain - develop for Android devices (the doctor check crashed)
✗ Due to an error, the doctor check did not complete. If the error message
below is not helpful, please let us know about this issue at
https://github.com/flutter/flutter/issues.
✗ type 'Null' is not a subtype of type 'String' of 'executable'
• #0 LocalProcessManager.canRun
(package:process/src/interface/local_process_manager.dart:124)
#1 getEmulatorVersion
(package:flutter_tools/src/android/android_workflow.dart:64)
#2 AndroidValidator.validateImpl
(package:flutter_tools/src/android/android_workflow.dart:200)
#3 DoctorValidator.validate
(package:flutter_tools/src/doctor_validator.dart:58)
#4 Doctor.startValidatorTasks.<anonymous closure>
(package:flutter_tools/src/doctor.dart:244)
#5 asyncGuard.<anonymous closure>
(package:flutter_tools/src/base/async_guard.dart:109)
#6 _rootRun (dart:async/zone.dart:1525)
#7 _CustomZone.run (dart:async/zone.dart:1422)
#8 _runZoned (dart:async/zone.dart:2033)
#9 runZonedGuarded (dart:async/zone.dart:2019)
#10 runZoned (dart:async/zone.dart:1952)
#11 asyncGuard (package:flutter_tools/src/base/async_guard.dart:106)
#12 Doctor.startValidatorTasks
(package:flutter_tools/src/doctor.dart:234)
#13 Doctor.diagnose (package:flutter_tools/src/doctor.dart:372)
#14 DoctorCommand.runCommand
(package:flutter_tools/src/commands/doctor.dart:59)
#15 FlutterCommand.verifyThenRunCommand
(package:flutter_tools/src/runner/flutter_command.dart:1897)
<asynchronous suspension>
#16 FlutterCommand.run.<anonymous closure>
(package:flutter_tools/src/runner/flutter_command.dart:1551)
<asynchronous suspension>
#17 AppContext.run.<anonymous closure>
(package:flutter_tools/src/base/context.dart:154)
<asynchronous suspension>
#18 CommandRunner.runCommand (package:args/command_runner.dart:212)
<asynchronous suspension>
#19 FlutterCommandRunner.runCommand.<anonymous closure>
(package:flutter_tools/src/runner/flutter_command_runner.dart:501)
<asynchronous suspension>
#20 AppContext.run.<anonymous closure>
(package:flutter_tools/src/base/context.dart:154)
<asynchronous suspension>
#21 FlutterCommandRunner.runCommand
(package:flutter_tools/src/runner/flutter_command_runner.dart:438)
<asynchronous suspension>
#22 run.<anonymous closure>.<anonymous closure>
(package:flutter_tools/runner.dart:98)
<asynchronous suspension>
#23 AppContext.run.<anonymous closure>
(package:flutter_tools/src/base/context.dart:154)
<asynchronous suspension>
#24 AppContext.run.<anonymous closure>
(package:flutter_tools/src/base/context.dart:154)
<asynchronous suspension>
#25 run (package:mobile.flutter.cli/flutter_tools.dart:106)
<asynchronous suspension>
#26 main (google3:///mobile/flutter/cli/bin/cli_usage_aot.dart:4)
```
## Pre-launch Checklist
- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.
If you need help, consider asking for advice on the #hackers-new channel
on [Discord].
<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md