Limit JCenter dependencies

app/build.gradle

@@ -35,11 +35,23 @@ repositories {
     }
     google()
     mavenCentral()
-    jcenter()
     mavenLocal()
     maven {
         url "https://dl.cloudsmith.io/qxAgwaeEE1vN8aLU/mobilecoin/mobilecoin/maven/"
     }
+    jcenter {
+        content {
+            includeVersion "com.google.android.exoplayer", "exoplayer-core", "2.9.1"
+            includeVersion "com.google.android.exoplayer", "exoplayer-ui", "2.9.1"
+            includeVersion "com.google.android.exoplayer", "extension-mediasession", "2.9.1"
+            includeVersion "mobi.upod", "time-duration-picker", "1.1.3"
+            includeVersion "cn.carbswang.android", "NumberPickerView", "1.0.9"
+            includeVersion "com.takisoft.fix", "colorpicker", "0.9.1"
+            includeVersion "com.codewaves.stickyheadergrid", "stickyheadergrid", "0.9.4"
+            includeVersion "com.amulyakhare", "com.amulyakhare.textdrawable", "1.0.1"
+            includeVersion "com.google.android", "flexbox", "0.3.0"
+        }
+    }
 }
 
 protobuf {

build.gradle

@@ -43,7 +43,7 @@ wrapper {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 

lintchecks/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'java-library'
 
 repositories {
     google()
-    jcenter()
+    mavenCentral()
 }
 
 dependencies {