Migrates from jcenter to maven central because of the jcenter shutdown.

.idea/jarRepositories.xml

@@ -21,5 +21,10 @@
       <option name="name" value="Google" />
       <option name="url" value="https://dl.google.com/dl/android/maven2/" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="MavenRepo" />
+      <option name="name" value="MavenRepo" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
   </component>
 </project>

build.gradle

@@ -2,7 +2,7 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:4.2.1'
@@ -18,7 +18,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
         // maven { url "https://oss.jfrog.org/libs-snapshot" }
         // maven { url 'http://repo1.maven.org/maven2' }
     }