Update dependencies

    implementation 'androidx.fragment:fragment-ktx:1.3.6'

    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'

    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1'

    implementation 'androidx.paging:paging-runtime-ktx:3.0.1'

    implementation 'androidx.paging:paging-runtime-ktx:3.1.0-beta01'

    implementation 'androidx.preference:preference-ktx:1.1.1'

    implementation 'androidx.security:security-crypto:1.1.0-alpha03'

    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'

    implementation 'com.google.android.flexbox:flexbox:3.0.0'

    implementation 'com.google.android.material:material:1.4.0'

    def room_version = '2.4.0-alpha04'          // 2.4.0-alpha05 crashes because of paging problem

    def room_version = '2.4.0-beta01'

    implementation "androidx.room:room-runtime:$room_version"

    implementation "androidx.room:room-ktx:$room_version"

    implementation "androidx.room:room-paging:$room_version"

Subproject commit af41314f13114f0b2cf9f93e18138cffb24a4d91

Subproject commit 51b33ebb26e4e7df8b94d0b1c010e39aad9dee43