[Java] Add ubuntu test (#1009)

*Issue #, if available:*
The current nstrumentation was lacking ubuntu test
*Description of changes:*
Added the ubuntu test to the instrumentation
This is the workflow link:
https://github.com/Jeel-mehta/aws-application-signals-test-framework/actions/runs/13001021774

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

Co-authored-by: Jeel Mehta <jeelmm@amazon.com>

Author: Jeel-mehta

.github/workflows/application-signals-e2e-test.yml

@@ -205,6 +205,19 @@ jobs:
       java-version: '11'
       cpu-architecture: 'arm64'
 
+  #
+  # UBUNTU COVERAGE
+  # DEFAULT SETTING: Java 11, EC2, AMD64, Ubuntu
+  #
+
+  v11-amd64-ubuntu:
+    needs: [ upload-main-build ]
+    uses: aws-observability/aws-application-signals-test-framework/.github/workflows/java-ec2-ubuntu-test.yml@main
+    secrets: inherit
+    with:
+      aws-region: us-east-1
+      caller-workflow-name: 'main-build'
+
   #
   # Other Functional Test Case
   #