Force JaCoCo version 0.8.7
add missing changes from #8781
spotbugs: remove primitive boxing
spotbugs: remove redundant nullcheck of doubleCheck
lint: Using android:onClick on older version of the platform is broken
AS Arctic Fox | 2020.3.1 Update to Gradle/AGP 7.0.2 Removed obsolete DSL element 'dexOptions'
build: Use jacoco 0.8.7 for compatibility with Kotlin 1.5
Update translations
Update Nextcloud Android library
Update 3rd-party dependencies
