[FAB-6415] Add javax.annotation dependency for Java 11

Java 11 has cut down the modules that are bundled in
the core, including javax.annotation which is used by
the generated protobuf code. Need to add this as an
explicit dependency.

Signed-off-by: Simon Stone <[email protected]>
Change-Id: Ied6e6de9c9a8118e16f32eec9deefae6deb395e0

Author: Simon Stone

fabric-chaincode-protos/build.gradle

@@ -52,6 +52,8 @@ dependencies {
     compile 'io.grpc:grpc-netty:1.23.0'
     compile 'io.grpc:grpc-protobuf:1.23.0'
     compile 'io.grpc:grpc-stub:1.23.0'
+    // Required if using Java 11+ as no longer bundled in the core libraries
+    compile 'javax.annotation:javax.annotation-api:1.3.2'
 }
 
 protobuf {