Fixed naming of test in softButtonManagerTest

Author: Julian Kast

android/sdl_android/src/androidTest/java/com/smartdevicelink/managers/screen/SoftButtonManagerTests.java

@@ -312,7 +312,7 @@ public void testAssigningIdsToSoftButtonObjects() {
     /**
      * Test custom overridden softButtonObject equals method
      */
-    public void testSoftButtonEquals() {
+    public void testSoftButtonObjectEquals() {
         SoftButtonObject softButtonObject1;
         SoftButtonObject softButtonObject2;