[GH] Change playground rootproject name: navigation -> lifecycle
[GH] Change playground rootproject name: navigation -> lifecycle

## Proposed Changes

  - Fix the name of the rootProject. All these time `lifecycle` project has a name `navigation-playground` instead of `lifecycle-playground`, that caused incorrect project title in Android Studio as well.

This is an imported pull request from https://github.com/androidx/androidx/pull/245.

Resolves #245
Github-Pr-Head-Sha: bdb83ead58475891e04f1dab598897d0a7d16f79
GitOrigin-RevId: 061d6670097257ba68f22d99c378c325e22a4168
Change-Id: I17949b4c2db801a1cf5239db6453b5fe0ea34ebb

AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx