authentication:passcodemanager: Explicit argument type removed.

src/main/java/com/owncloud/android/authentication/PassCodeManager.java

@@ -41,7 +41,7 @@ public class PassCodeManager {
     private static final Set<Class> sExemptOfPasscodeActivites;
 
     static {
-        sExemptOfPasscodeActivites = new HashSet<Class>();
+        sExemptOfPasscodeActivites = new HashSet<>();
         sExemptOfPasscodeActivites.add(PassCodeActivity.class);
         sExemptOfPasscodeActivites.add(FingerprintActivity.class);
         // other activities may be exempted, if needed