Update versions

Author: koji-1009

build.gradle

@@ -2,13 +2,13 @@
 
 buildscript {
     ext {
-        kotlin_version = '1.3.41'
-        kotlin_cotoutines_version = '1.2.1'
+        kotlin_version = '1.3.50'
+        kotlin_cotoutines_version = '1.3.1'
     }
     ext.versions = [
-            'compileSdk'      : 28,
+            'compileSdk'      : 29,
             'minSdk'          : 21,
-            'targetSdk'       : 28,
+            'targetSdk'       : 29,
             'annotation'      : '1.1.0',
             'core_ktx'        : '1.1.0',
             'appcompat'       : '1.1.0',
@@ -19,7 +19,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.4.2'
+        classpath 'com.android.tools.build:gradle:3.5.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Thu Apr 25 19:30:00 JST 2019
+#Wed Sep 25 14:10:00 JST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip