Migrate from Jcenter to Maven Central (#363)

Following as Jcenter shutting down.
https://jfrog.com/blog/into-the-sunset-bintray-jcenter-gocenter-and-chartcenter/

android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
     ext.kotlin_version = '1.6.10'
     ext.kotlin_version = '1.6.10'
     repositories {
     repositories {
         google()
         google()
-        jcenter()
+        mavenCentral()
     }
     }
 
 
     dependencies {
     dependencies {
@@ -17,7 +17,7 @@ buildscript {
 rootProject.allprojects {
 rootProject.allprojects {
     repositories {
     repositories {
         google()
         google()
-        jcenter()
+        mavenCentral()
     }
     }
 }
 }