samples: updating to latest google-cloud-* dependencies (#723)

Author: jabubake

speech/snippets/src/main/java/com/example/speech/QuickstartSample.java

@@ -18,11 +18,11 @@
 
 // [START speech_quickstart]
 // Imports the Google Cloud client library
-import com.google.cloud.speech.spi.v1.SpeechClient;
 import com.google.cloud.speech.v1.RecognitionAudio;
 import com.google.cloud.speech.v1.RecognitionConfig;
 import com.google.cloud.speech.v1.RecognitionConfig.AudioEncoding;
 import com.google.cloud.speech.v1.RecognizeResponse;
+import com.google.cloud.speech.v1.SpeechClient;
 import com.google.cloud.speech.v1.SpeechRecognitionAlternative;
 import com.google.cloud.speech.v1.SpeechRecognitionResult;
 import com.google.protobuf.ByteString;

speech/snippets/src/main/java/com/example/speech/Recognize.java

@@ -19,12 +19,12 @@
 import com.google.api.gax.grpc.ApiStreamObserver;
 import com.google.api.gax.grpc.OperationFuture;
 import com.google.api.gax.grpc.StreamingCallable;
-import com.google.cloud.speech.spi.v1.SpeechClient;
 import com.google.cloud.speech.v1.LongRunningRecognizeResponse;
 import com.google.cloud.speech.v1.RecognitionAudio;
 import com.google.cloud.speech.v1.RecognitionConfig;
 import com.google.cloud.speech.v1.RecognitionConfig.AudioEncoding;
 import com.google.cloud.speech.v1.RecognizeResponse;
+import com.google.cloud.speech.v1.SpeechClient;
 import com.google.cloud.speech.v1.SpeechRecognitionAlternative;
 import com.google.cloud.speech.v1.SpeechRecognitionResult;
 import com.google.cloud.speech.v1.StreamingRecognitionConfig;