Rename older AbstractTransportTest to AbstractInteropTest

There are two AbstractTransportTests. The newest one is the more aptly
named, so rename the older one to AbstractInteropTest to remove name
collision when speaking.

Fixes #1484

interop-testing/src/main/java/io/grpc/testing/integration/AbstractInteropTest.java

@@ -99,7 +99,7 @@ import java.util.concurrent.atomic.AtomicReference;
 /**
  * Abstract base class for all GRPC transport tests.
  */
-public abstract class AbstractTransportTest {
+public abstract class AbstractInteropTest {
 
   public static final Metadata.Key<Messages.SimpleContext> METADATA_KEY =
       ProtoUtils.keyForProto(Messages.SimpleContext.getDefaultInstance());

interop-testing/src/main/java/io/grpc/testing/integration/TestServiceClient.java

@@ -258,7 +258,7 @@ public class TestServiceClient {
     }
   }
 
-  private class Tester extends AbstractTransportTest {
+  private class Tester extends AbstractInteropTest {
     @Override
     protected ManagedChannel createChannel() {
       if (!useOkHttp) {

interop-testing/src/test/java/io/grpc/testing/integration/Http2NettyLocalChannelTest.java

@@ -48,7 +48,7 @@ import org.junit.runners.JUnit4;
  * Run transport tests over the Netty in-process channel.
  */
 @RunWith(JUnit4.class)
-public class Http2NettyLocalChannelTest extends AbstractTransportTest {
+public class Http2NettyLocalChannelTest extends AbstractInteropTest {
 
   /** Start server. */
   @BeforeClass

interop-testing/src/test/java/io/grpc/testing/integration/Http2NettyTest.java

@@ -50,7 +50,7 @@ import java.io.IOException;
  * Integration tests for GRPC over HTTP2 using the Netty framework.
  */
 @RunWith(JUnit4.class)
-public class Http2NettyTest extends AbstractTransportTest {
+public class Http2NettyTest extends AbstractInteropTest {
   private static int serverPort = TestUtils.pickUnusedPort();
 
   /** Starts the server with HTTPS. */

interop-testing/src/test/java/io/grpc/testing/integration/Http2OkHttpTest.java

@@ -68,7 +68,7 @@ import javax.net.ssl.SSLPeerUnverifiedException;
  * Integration tests for GRPC over Http2 using the OkHttp framework.
  */
 @RunWith(JUnit4.class)
-public class Http2OkHttpTest extends AbstractTransportTest {
+public class Http2OkHttpTest extends AbstractInteropTest {
   private static int serverPort = TestUtils.pickUnusedPort();
 
   /** Starts the server with HTTPS. */

interop-testing/src/test/java/io/grpc/testing/integration/InProcessTest.java

@@ -42,7 +42,7 @@ import org.junit.runners.JUnit4;
 
 /** Unit tests for {@link InProcess}. */
 @RunWith(JUnit4.class)
-public class InProcessTest extends AbstractTransportTest {
+public class InProcessTest extends AbstractInteropTest {
   private static String serverName = "test";
 
   /** Starts the in-process server. */

interop-testing/src/test/java/io/grpc/testing/integration/TransportCompressionTest.java

@@ -78,7 +78,7 @@ import java.io.OutputStream;
  * Tests that compression is turned on.
  */
 @RunWith(JUnit4.class)
-public class TransportCompressionTest extends AbstractTransportTest {
+public class TransportCompressionTest extends AbstractInteropTest {
 
   private static int serverPort = TestUtils.pickUnusedPort();