fix: Change the default scope of gax from implementation to api in auto-generated gradle files for self-service client libraries. (#1374)

Author: blakeli0

rules_java_gapic/resources/gradle/client_grpc.gradle.tmpl

@@ -6,11 +6,11 @@ compileJava.options.encoding = 'UTF-8'
 javadoc.options.encoding = 'UTF-8'
 
 dependencies {
-  implementation 'com.google.api:gax:{{version.gax}}'
+  api 'com.google.api:gax:{{version.gax}}'
   testImplementation 'com.google.api:gax:{{version.gax}}:testlib'
-  implementation 'com.google.api:gax-grpc:{{version.gax_grpc}}'
+  api 'com.google.api:gax-grpc:{{version.gax_grpc}}'
   testImplementation 'com.google.api:gax-grpc:{{version.gax_grpc}}:testlib'
-  implementation 'io.grpc:grpc-protobuf:{{version.io_grpc}}'
+  api 'io.grpc:grpc-protobuf:{{version.io_grpc}}'
   testImplementation 'io.grpc:grpc-stub:{{version.io_grpc}}'
   testImplementation 'io.grpc:grpc-netty-shaded:{{version.io_grpc}}'
   testImplementation '{{maven.junit_junit}}'

rules_java_gapic/resources/gradle/client_grpcrest.gradle.tmpl

@@ -6,13 +6,13 @@ compileJava.options.encoding = 'UTF-8'
 javadoc.options.encoding = 'UTF-8'
 
 dependencies {
-  implementation 'com.google.api:gax:{{version.gax}}'
+  api 'com.google.api:gax:{{version.gax}}'
   testImplementation 'com.google.api:gax:{{version.gax}}:testlib'
-  implementation 'com.google.api:gax-grpc:{{version.gax_grpc}}'
+  api 'com.google.api:gax-grpc:{{version.gax_grpc}}'
   testImplementation 'com.google.api:gax-grpc:{{version.gax_grpc}}:testlib'
-  implementation 'com.google.api:gax-httpjson:{{version.gax_httpjson}}'
+  api 'com.google.api:gax-httpjson:{{version.gax_httpjson}}'
   testImplementation 'com.google.api:gax-httpjson:{{version.gax_httpjson}}:testlib'
-  implementation 'io.grpc:grpc-protobuf:{{version.io_grpc}}'
+  api 'io.grpc:grpc-protobuf:{{version.io_grpc}}'
   testImplementation 'io.grpc:grpc-stub:{{version.io_grpc}}'
   testImplementation 'io.grpc:grpc-netty-shaded:{{version.io_grpc}}'
   testImplementation '{{maven.junit_junit}}'

rules_java_gapic/resources/gradle/client_rest.gradle.tmpl

@@ -6,9 +6,9 @@ compileJava.options.encoding = 'UTF-8'
 javadoc.options.encoding = 'UTF-8'
 
 dependencies {
-  implementation 'com.google.api:gax:{{version.gax}}'
+  api 'com.google.api:gax:{{version.gax}}'
   testImplementation 'com.google.api:gax:{{version.gax}}:testlib'
-  implementation 'com.google.api:gax-httpjson:{{version.gax_httpjson}}'
+  api 'com.google.api:gax-httpjson:{{version.gax_httpjson}}'
   testImplementation 'com.google.api:gax-httpjson:{{version.gax_httpjson}}:testlib'
   testImplementation '{{maven.junit_junit}}'