Merge pull request #4799 from nextcloud/dependabot/gradle/com.android.tools.build-gradle-3.5.2

Bump gradle from 3.5.1 to 3.5.2

build.gradle

@@ -20,7 +20,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.1'
+        classpath 'com.android.tools.build:gradle:3.5.2'
         classpath('com.dicedmelon.gradle:jacoco-android:0.1.4') {
             exclude group: 'org.codehaus.groovy', module: 'groovy-all'
         }