Use preemptive authentication except in server versions where it is not compatible with session tracking

src/com/owncloud/android/lib/common/OwnCloudBasicCredentials.java

@@ -42,10 +42,10 @@ public class OwnCloudBasicCredentials implements OwnCloudCredentials {
         mAuthenticationPreemptive = true;
     }
 
-    public OwnCloudBasicCredentials(String username, String password, boolean sessionEnabled) {
+    public OwnCloudBasicCredentials(String username, String password, boolean preemptiveMode) {
         mUsername = username != null ? username : "";
         mPassword = password != null ? password : "";
-        mAuthenticationPreemptive = !sessionEnabled;
+        mAuthenticationPreemptive = preemptiveMode;
     }
 
     @Override

src/com/owncloud/android/lib/common/OwnCloudClientFactory.java

@@ -121,7 +121,7 @@ public class OwnCloudClientFactory {
                 OwnCloudCredentialsFactory.newBasicCredentials(
                     username,
                     password,
-                    (version != null && version.isSessionMonitoringSupported())
+                    (version != null && version.isPreemptiveAuthenticationPreferred())
                 )
             );
 
@@ -201,7 +201,7 @@ public class OwnCloudClientFactory {
                 OwnCloudCredentialsFactory.newBasicCredentials(
                     username,
                     password,
-                    (version != null && version.isSessionMonitoringSupported())
+                    (version != null && version.isPreemptiveAuthenticationPreferred())
                 )
             );
         }

src/com/owncloud/android/lib/common/OwnCloudCredentialsFactory.java

@@ -35,9 +35,9 @@ public class OwnCloudCredentialsFactory {
     }
 
     public static OwnCloudCredentials newBasicCredentials(
-        String username, String password, boolean sessionEnabled
+        String username, String password, boolean preemptiveMode
     ) {
-        return new OwnCloudBasicCredentials(username, password, sessionEnabled);
+        return new OwnCloudBasicCredentials(username, password, preemptiveMode);
     }
 
     public static OwnCloudCredentials newBearerCredentials(String authToken) {

src/com/owncloud/android/lib/common/accounts/AccountUtils.java

@@ -230,7 +230,7 @@ public class AccountUtils {
             credentials = OwnCloudCredentialsFactory.newBasicCredentials(
                 username,
                 password,
-                version.isSessionMonitoringSupported()
+                version.isPreemptiveAuthenticationPreferred()
             );
         }