Add java multi api versions for network (#4402)

specification/network/resource-manager/readme.md

@@ -817,20 +817,35 @@ output-folder: $(azure-libraries-for-java-folder)/azure-mgmt-network
 
 ``` yaml $(java) && $(multiapi)
 batch:
+  - tag: package-2018-08
+  - tag: package-2018-07
   - tag: package-2018-06
   - tag: package-2018-04
   - tag: package-2017-10
 ```
 
-### Tag: package-2018-04 and java
+### Tag: package-2018-08 and java
 
-These settings apply only when `--tag=package-2018-04 --java` is specified on the command line.
+These settings apply only when `--tag=package-2018-08 --java` is specified on the command line.
 Please also specify `--azure-libraries-for-java-folder=<path to the root directory of your azure-sdk-for-java clone>`.
 
-``` yaml $(tag) == 'package-2018-04' && $(java) && $(multiapi)
+``` yaml $(tag) == 'package-2018-08' && $(java) && $(multiapi)
 java:
-  namespace: com.microsoft.azure.management.network.v2018_04_01
-  output-folder: $(azure-libraries-for-java-folder)/network/resource-manager/v2018_04_01
+  namespace: com.microsoft.azure.management.network.v2018_08_01
+  output-folder: $(azure-libraries-for-java-folder)/network/resource-manager/v2018_08_01
+regenerate-manager: true
+generate-interface: true
+```
+
+### Tag: package-2018-07 and java
+
+These settings apply only when `--tag=package-2018-07 --java` is specified on the command line.
+Please also specify `--azure-libraries-for-java-folder=<path to the root directory of your azure-sdk-for-java clone>`.
+
+``` yaml $(tag) == 'package-2018-07' && $(java) && $(multiapi)
+java:
+  namespace: com.microsoft.azure.management.network.v2018_07_01
+  output-folder: $(azure-libraries-for-java-folder)/network/resource-manager/v2018_07_01
 regenerate-manager: true
 generate-interface: true
 ```
@@ -848,6 +863,19 @@ regenerate-manager: true
 generate-interface: true
 ```
 
+### Tag: package-2018-04 and java
+
+These settings apply only when `--tag=package-2018-04 --java` is specified on the command line.
+Please also specify `--azure-libraries-for-java-folder=<path to the root directory of your azure-sdk-for-java clone>`.
+
+``` yaml $(tag) == 'package-2018-04' && $(java) && $(multiapi)
+java:
+  namespace: com.microsoft.azure.management.network.v2018_04_01
+  output-folder: $(azure-libraries-for-java-folder)/network/resource-manager/v2018_04_01
+regenerate-manager: true
+generate-interface: true
+```
+
 ### Tag: package-2017-10 and java
 
 These settings apply only when `--tag=package-2017-10 --java` is specified on the command line.