Gradle update required by AS 3.5.0 (#1762)

Author: keianhzo

.gitignore

@@ -56,6 +56,7 @@ infer-out/
 fastlane/
 
 app/.externalNativeBuild
+app/.cxx
 openwnn/.externalNativeBuild
 
 *.swp

build.gradle

@@ -4,7 +4,7 @@ buildscript {
     apply from: 'versions.gradle'
     addRepos(repositories)
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.4.2'
+        classpath 'com.android.tools.build:gradle:3.5.0'
         classpath "$deps.kotlin.plugin"
 
         // NOTE: Do not place your application dependencies here; they belong

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Tue Apr 23 11:47:41 CEST 2019
+#Tue Sep 03 15:42:54 CEST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip