[GH] Migrate playground-plugin to Kotlin
## Proposed Changes
Migrate playground-plugin to Kotlin
## Testing
Test: ./gradlew tasks in activity/
This is an imported pull request from https://github.com/androidx/androidx/pull/286.
Resolves #286
Github-Pr-Head-Sha: 87e4facd13dd102b132e995b2355bce7f52796fe
GitOrigin-RevId: 69b809796452428398b5cd3317a7bbb823173dbd
Change-Id: I0e07b77a71a24b80b1af5f5b30419bcbcbd88d0c
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index ac87caf..6bcb125 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -173,3 +173,6 @@
wireRuntime = { module = "com.squareup.wire:wire-runtime", version.ref = "wire" }
xpp3 = { module = "xpp3:xpp3", version = "1.1.4c" }
xmlpull = { module = "xmlpull:xmlpull", version = "1.1.3.1" }
+
+[plugins]
+kotlinJvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }