deprecate JCenter

[sphrak]

trafficstars

A problem occurred configuring root project 'android'.
> Could not resolve all artifacts for configuration ':classpath'.
   > Could not find org.jetbrains.trove4j:trove4j:20160824.
     Searched in the following locations:
       - https://dl.google.com/dl/android/maven2/org/jetbrains/trove4j/trove4j/20160824/trove4j-20160824.pom
       - https://repo.maven.apache.org/maven2/org/jetbrains/trove4j/trove4j/20160824/trove4j-20160824.pom
     Required by:
         project : > com.android.tools.build:gradle:4.1.2 > com.android.tools.build:builder:4.1.2 > com.android.tools:sdk-common:27.1.2

blocked by: https://youtrack.jetbrains.com/issue/KT-44730