Bump gradle from 3.6.3 to 4.0.1#191

dependabot-preview[bot] wants to merge 1 commit intoRxJava2.xpwittchen/prefser:RxJava2.xfrom

dependabot/gradle/com.android.tools.build-gradle-4.0.1pwittchen/prefser:dependabot/gradle/com.android.tools.build-gradle-4.0.1Copy head branch name to clipboard