[build] Update gradle and gradle plugin versions.

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:3.6.3'
         classpath dependenciesList.licensesPlugin
         classpath dependenciesList.kotlinPlugin
         classpath dependenciesList.bintrayPlugin

gradle/dependencies.gradle

@@ -28,14 +28,14 @@ ext {
             robolectric      : '4.3',
             timber           : '4.7.1',
             okhttp           : '3.12.3',
-            kotlin           : '1.3.41',
-            licenses         : '0.8.5',
-            bintray          : '1.8.4',
-            artifactory      : '4.9.3',
+            kotlin           : '1.3.72',
+            licenses         : '0.8.80',
+            bintray          : '1.8.5',
+            artifactory      : '4.15.2',
             androidPublish   : '3.6.2',
             lint             : '26.4.2',
             gms              : '16.0.0',
-            jacoco           : '0.8.4',
+            jacoco           : '0.8.5',
             appcenter        : '1.4',
             ktlint           : '0.34.0',
             commonsIO        : '2.6',

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.4.1-all.zip