Auto-update dependencies. (GoogleCloudPlatform#1248)

Author: dpebot

endpoints/bookstore-grpc/requirements.txt

@@ -1,2 +1,2 @@
-grpcio==1.7.0
+grpcio==1.7.3
 google-auth==1.2.1

endpoints/getting-started-grpc/requirements.txt

@@ -1,2 +1,2 @@
-grpcio==1.7.0
+grpcio==1.7.3
 grpcio-tools==1.7.0

error_reporting/fluent_on_compute/requirements.txt

@@ -1 +1 @@
-fluent-logger==0.6.2
+fluent-logger==0.7.0

testing/requirements.txt

@@ -6,7 +6,7 @@ mock==2.0.0
 mysql-python==1.2.5; python_version < "3.0"
 PyCrypto==2.6.1
 pytest-cov==2.5.1
-pytest==3.3.0
+pytest==3.3.1
 pyyaml==3.12
 responses==0.8.1
 WebTest==2.0.29