Update Gradle to 5.5.1 (#8771)

.gitignore

@@ -21,7 +21,7 @@
 tags
 !tags/
 gtags.files
-.idea/*
+.idea
 # Codelite
 *.project
 # Visual Studio Code

build/android/build.gradle

@@ -1,16 +1,16 @@
 buildscript {
 	repositories {
-		maven { url 'https://maven.google.com' }
+		google()
 		jcenter()
 	}
 	dependencies {
-		classpath 'com.android.tools.build:gradle:3.1.3'
+		classpath 'com.android.tools.build:gradle:3.4.2'
 	}
 }
 
 allprojects {
 	repositories {
-		maven { url 'https://maven.google.com' }
+		google()
 		jcenter()
 	}
 }
@@ -25,7 +25,6 @@ apply plugin: "com.android.application"
 
 android {
 	compileSdkVersion 28
-	buildToolsVersion "28.0.3"
 
 	defaultConfig {
 		versionCode 23

build/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Oct 15 00:47:03 CEST 2018
+#Fri Aug 09 22:14:33 CEST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.5.1-all.zip