Revert PR #17312 due to buck failures in continuous integration tests

Summary:
Circle is currently failing on the `android` step due to a dependency issue introduced by the aforementioned PR. I am currently waiting for an internal diff to be reviewed which will restore this PR alongside the necessary dependency.
Closes https://github.com/facebook/react-native/pull/17902

Differential Revision: D6937173

Pulled By: hramos

fbshipit-source-id: f732a397521cc5df36f503e618318ef6d69aeaa6

ReactAndroid/src/test/java/com/facebook/react/modules/network/NetworkingModuleTest.java

@@ -200,10 +200,6 @@ public class NetworkingModuleTest {
 
   @Test
   public void testSuccessfulPostRequest() throws Exception {
-    RCTDeviceEventEmitter emitter = mock(RCTDeviceEventEmitter.class);
-    ReactApplicationContext context = mock(ReactApplicationContext.class);
-    when(context.getJSModule(any(Class.class))).thenReturn(emitter);
-
     OkHttpClient httpClient = mock(OkHttpClient.class);
     when(httpClient.newCall(any(Request.class))).thenAnswer(new Answer<Object>() {
           @Override
@@ -215,13 +211,12 @@ public class NetworkingModuleTest {
     OkHttpClient.Builder clientBuilder = mock(OkHttpClient.Builder.class);
     when(clientBuilder.build()).thenReturn(httpClient);
     when(httpClient.newBuilder()).thenReturn(clientBuilder);
-    NetworkingModule networkingModule = new NetworkingModule(context, "", httpClient);
+    NetworkingModule networkingModule =
+      new NetworkingModule(mock(ReactApplicationContext.class), "", httpClient);
 
     JavaOnlyMap body = new JavaOnlyMap();
     body.putString("string", "This is request body");
 
-    mockEvents();
-    
     networkingModule.sendRequest(
       "POST",
       "http://somedomain/bar",
@@ -635,4 +630,4 @@ public class NetworkingModuleTest {
       assertThat(requestIdArguments.getAllValues().contains(idx + 1)).isTrue();
     }
   }
-}
+}