update java md (Azure#9923)

Author: ChenTanyi

specification/operationalinsights/resource-manager/readme.java.md

@@ -11,15 +11,35 @@ license-header: MICROSOFT_MIT_NO_CODEGEN
 payload-flattening-threshold: 1
 output-folder: $(azure-libraries-for-java-folder)/azure-mgmt-loganalytics
 service-name: LogAnalytics
+directive:
+  - rename-operation:
+      from: SharedKeys_Regenerate
+      to: SharedKeysOperation_Regenerate
+  - rename-operation:
+      from: SharedKeys_GetSharedKeys
+      to: SharedKeysOperation_GetSharedKeys
 ```
 
-
 ### Java multi-api
 
 ``` yaml $(java) && $(multiapi)
 batch:
   - tag: package-2015-03
   - tag: package-2015-11-preview
+  - tag: package-2020-03-preview
+```
+
+### Tag: package-2020-03-preview and java
+
+These settings apply only when `--tag=package-2020-03-preview --java` is specified on the command line.
+Please also specify `--azure-libraries-for-java=<path to the root directory of your azure-sdk-for-java clone>`.
+
+``` yaml $(tag) == 'package-2020-03-preview' && $(java) && $(multiapi)
+java:
+  namespace: com.microsoft.azure.management.loganalytics.v2020_03_01_preview
+  output-folder: $(azure-libraries-for-java-folder)/sdk/loganalytics/mgmt-v2020_03_01_preview
+regenerate-manager: true
+generate-interface: true
 ```
 
 ### Tag: package-2015-03 and java

specification/operationalinsights/resource-manager/readme.md

@@ -107,6 +107,7 @@ swagger-to-sdk:
   - repo: azure-sdk-for-js
   - repo: azure-sdk-for-node
   - repo: azure-sdk-for-ruby
+  - repo: azure-sdk-for-java
     after_scripts:
       - bundle install && rake arm:regen_all_profiles['azure_mgmt_operational_insights']
 ```