When working on packages/fluter_tools/gradle in IntelliJ, I always end up with:

$ git status
On branch master
Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)
packages/flutter_tools/gradle/gradle/
packages/flutter_tools/gradle/gradlew
packages/flutter_tools/gradle/gradlew.bat

no changes added to commit (use "git add" and/or "git commit -a")

We should either:
1 commit these files to git (will require some exemption because binary files generally aren't allowed to be committed, see here)
2. add them to .gitignore so they stop showing up

I'm somewhat partial to option (1) because it'd ensure we use the same Gradle version for developing the Flutter Gradle Plugin. No strong opinion, though.

cc @gmackall @reidbaker