message: Add new targets to the maven package.
  This fixes kokoro. The CL was generated by the command as given in the output.
diff: @@ -184,6 +184,9 @@ gen_maven_jar_rules(
  "//src/main/java/com/google/crypto/tink/mac:aes_cmac_key",
  "//src/main/java/com/google/crypto/tink/mac:aes_cmac_key_manager",
  "//src/main/java/com/google/crypto/tink/mac:aes_cmac_parameters",
  + "//src/main/java/com/google/crypto/tink/mac:chunked_mac",
  + "//src/main/java/com/google/crypto/tink/mac:chunked_mac_computation",
  + "//src/main/java/com/google/crypto/tink/mac:chunked_mac_verification",
  "//src/main/java/com/google/crypto/tink/mac:hmac_key_manager",
  "//src/main/java/com/google/crypto/tink/mac:mac_config",
  "//src/main/java/com/google/crypto/tink/mac:mac_factory",
  @@ -482,6 +485,9 @@ gen_maven_jar_rules(
  "//src/main/java/com/google/crypto/tink/mac:aes_cmac_key-android",
  "//src/main/java/com/google/crypto/tink/mac:aes_cmac_key_manager-android",
  "//src/main/java/com/google/crypto/tink/mac:aes_cmac_parameters-android",
  + "//src/main/java/com/google/crypto/tink/mac:chunked_mac-android",
  + "//src/main/java/com/google/crypto/tink/mac:chunked_mac_computation-android",
  + "//src/main/java/com/google/crypto/tink/mac:chunked_mac_verification-android",
  "//src/main/java/com/google/crypto/tink/mac:hmac_key_manager-android",
  "//src/main/java/com/google/crypto/tink/mac:mac_config-android",
  "//src/main/java/com/google/crypto/tink/mac:mac_factory-android",
  