Bump gradle from 3.4.2 to 3.6.3#27

dependabot-preview[bot] wants to merge 1 commit intomasterligi/MaterialTeaTimer:masterfrom

dependabot/gradle/com.android.tools.build-gradle-3.6.3ligi/MaterialTeaTimer:dependabot/gradle/com.android.tools.build-gradle-3.6.3Copy head branch name to clipboard