Fix Unit test issues

* Fix NotificationChannelManagerRunner.processChannelListWithMultiLanguage to use OneSignal.startInit
* Remove time variable from MainOneSignalClassRunner.testSetLanguageOnSession function restartAppAndElapseTimeToNextSession

Author: tanaynigam

OneSignalSDK/unittest/src/test/java/com/test/onesignal/MainOneSignalClassRunner.java

@@ -2975,7 +2975,7 @@ public void testSetLanguageOnSession() throws Exception {
       OneSignalInit();
       threadAndTaskWait();
 
-      restartAppAndElapseTimeToNextSession(time);
+      restartAppAndElapseTimeToNextSession();
 
       OneSignalInit();
       OneSignal.setLanguage("fr");

OneSignalSDK/unittest/src/test/java/com/test/onesignal/NotificationChannelManagerRunner.java

@@ -210,7 +210,7 @@ public void processPayloadDeletingOldChannel() throws Exception {
    // Top level keys under no language key are considered the default language.
    @Test
    public void processChannelListWithMultiLanguage() throws Exception {
-      OneSignal.initWithContext(blankActivity);
+      OneSignal.startInit(blankActivity);
       threadAndTaskWait();
 
       JSONObject payload = createBasicChannelListPayload();