Factor out power management UI code into library

build.gradle

@@ -36,4 +36,8 @@ buildscript {
 	ext.dagger_version = "2.33"
 	ext.junit_version = "4.13.2"
 	ext.jmock_version = '2.12.0'
+
+	ext.androidx_fragment_version = '1.3.4'
+	ext.androidx_constraintlayout_version = '2.0.4'
+	ext.google_material_version = '1.3.0'
 }