Make performance.db.url global
Make performance.db.url global

This commit moves performance.db.url param out of Kotlin DSL,
so that it can be easily updated in the future.

blindpirate/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle