Re-generate library using /synth.py

.circleci/config.yml

@@ -68,8 +68,6 @@ jobs:
           environment:
             NPM_CONFIG_PREFIX: /home/node/.npm-global
       - run: npm test
-      - run: node_modules/.bin/codecov
-
   node8:
     docker:
       - image: 'node:8'

.kokoro/samples-test.sh

@@ -26,7 +26,9 @@ cd $(dirname $0)/..
 
 # Run a pre-test hook, if a pre-samples-test.sh is in the project
 if [ -f .kokoro/pre-samples-test.sh ]; then
+    set +x
     . .kokoro/pre-samples-test.sh
+    set -x
 fi
 
 npm install

.kokoro/system-test.sh

@@ -26,7 +26,9 @@ cd $(dirname $0)/..
 
 # Run a pre-test hook, if a pre-system-test.sh is in the project
 if [ -f .kokoro/pre-system-test.sh ]; then
+    set +x
     . .kokoro/pre-system-test.sh
+    set -x
 fi
 
 npm install

.kokoro/test.sh

@@ -22,4 +22,5 @@ cd $(dirname $0)/..
 
 npm install
 npm test
-node_modules/.bin/codecov
+
+bash $KOKORO_GFILE_DIR/codecov.sh

codecov.yaml

@@ -0,0 +1,4 @@
+---
+codecov:
+  ci:
+    - source.cloud.google.com