Only listen to connectivity broadcast events when needed (#8222)

* [android] - only listen to connectivity change events when needed.

* [android] - fix compile var args warning, remove redundant test

platform/android/MapboxGLAndroidSDKTestApp/src/test/java/com/mapbox/mapboxsdk/constants/StyleVersionTest.java

@@ -1,21 +0,0 @@
-package com.mapbox.mapboxsdk.constants;
-
-
-import com.mapbox.mapboxsdk.testapp.model.constants.AppConstant;
-
-import org.junit.Test;
-
-import static junit.framework.Assert.assertEquals;
-
-public class StyleVersionTest {
-
-  private static final double DELTA = 1e-15;
-
-  @Test
-  public void testSanity() {
-    assertEquals("Style version should match, when upgrading, verify that integers.xml is updated",
-      AppConstant.STYLE_VERSION,
-      9,
-      DELTA);
-  }
-}