Add current version to the upgrade message of the Flutter tool. #63023
Description
Upgrading Flutter we see the current output in Windows:
Upgrading Flutter from C:\Programming\Flutter\sdk\flutter... Checking Dart SDK version... Downloading Dart SDK from Flutter engine c8e3b9485386425213e2973126d6f57e7ed83c54... Unzipping Dart SDK...
Building flutter tool...
Running pub upgrade...
Upgrading engine...
Downloading Android Maven dependencies... 29,3s
Downloading android-arm-profile/windows-x64 tools... 0,3s
Downloading android-arm-release/windows-x64 tools... 0,3s
Downloading android-arm64-profile/windows-x64 tools... 0,4s
Downloading android-arm64-release/windows-x64 tools... 0,4s
Downloading android-x64-profile/windows-x64 tools... 0,3s
Downloading android-x64-release/windows-x64 tools... 0,4s
Downloading android-x86 tools... 2,5s
Downloading android-x64 tools... 2,4s
Downloading android-arm tools... 1,1s
Downloading android-arm-profile tools... 0,6s
Downloading android-arm-release tools... 0,5s
Downloading android-arm64 tools... 1,2s
Downloading android-arm64-profile tools... 0,7s
Downloading android-arm64-release tools... 0,6s
Downloading android-x64-profile tools... 0,7s
Downloading android-x64-release tools... 0,6s
Downloading android-x86-jit-release tools... 0,9s
Downloading package sky_engine... 0,3s
Downloading flutter_patched_sdk tools... 1,4s
Downloading flutter_patched_sdk_product tools... 1,3s
Downloading windows-x64 tools... 2,8s
Downloading windows-x64/font-subset tools... 0,4s
Flutter 1.20.0 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 840c9205b3 (19 hours ago) • 2020-08-04 20:55:12 -0700
Engine • revision c8e3b94853
Tools • Dart 2.9.0
Running flutter doctor...
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 1.20.0, on Microsoft Windows [Version 10.0.19041.388], locale pt-BR)
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[✓] Android Studio (version 4.0)
[✓] IntelliJ IDEA Ultimate Edition (version 2019.3)
[✓] VS Code (version 1.41.0)
[✓] Connected device (1 available)
• No issues found!
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I can see I am uptading to version 1.20 but it would be nice to have it saying that I am currently at version 1.17 and upgrading to 1.20.