Remove unused imports and reference to robolectric (#754)

Author: desokroshan

aws-android-sdk-kinesisvideo-archivedmedia/src/androidTest/java/com/amazonaws/services/kinesisvideoarchivedmedia/KinesisVideoArchivedMediaIntegrationTest.java

@@ -15,8 +15,6 @@
 
 package com.amazonaws.services.kinesisvideoarchivedmedia;
 
-import android.util.Log;
-
 import org.json.JSONException;
 import org.junit.After;
 import org.junit.Test;

aws-android-sdk-lambda-test/src/androidTest/java/com/amazonaws/mobileconnectors/lambdainvoker/MyInterfaceIntegrationTest.java

@@ -27,7 +27,6 @@
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
-import org.robolectric.shadows.ShadowLog;
 
 import java.util.Locale;
 
@@ -45,9 +44,6 @@ public void setup() throws Exception {
                 provider);
         LambdaDataBinder dataBinder = new LambdaJsonBinder();
         myInterface = factory.build(MyInterface.class, dataBinder);
-
-        // redirect Android log
-        ShadowLog.stream = System.out;
     }
 
     @After