Merge #7630

7630: Switch to groovy in buildSrc r=grigoryk a=NotWoods

Changing the format saves 13 seconds
Co-authored-by: Tiger Oakes <toakes@mozilla.com>

buildSrc/build.gradle.kts → buildSrc/build.gradle

@@ -3,7 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 plugins {
-    `kotlin-dsl`
+    id "org.gradle.kotlin.kotlin-dsl" version "1.3.6"
 }
 
 repositories {
@@ -11,6 +11,6 @@ repositories {
 }
 
 dependencies {
-    compile("com.squareup.okhttp3:okhttp:3.12.1")
-    compile("com.squareup.okio:okio:1.17.2@jar")
+    implementation "com.squareup.okhttp3:okhttp:3.12.1"
+    implementation "com.squareup.okio:okio:1.17.2@jar"
 }