disable arm and alpine for stable

fixes #76159

build/azure-pipelines/product-build.yml

@@ -51,7 +51,7 @@ jobs:
   - template: linux/snap-build-linux.yml
 
 - job: LinuxArmhf
-  condition: eq(variables['VSCODE_BUILD_LINUX_ARMHF'], 'true')
+  condition: and(eq(variables['VSCODE_BUILD_LINUX_ARMHF'], 'true'), ne(variables['VSCODE_QUALITY'], 'stable'))
   timeoutInMinutes: 120
   pool:
     vmImage: 'Ubuntu-16.04'
@@ -61,7 +61,7 @@ jobs:
   - template: linux/product-build-linux-arm.yml
 
 - job: LinuxAlpine
-  condition: eq(variables['VSCODE_BUILD_LINUX_ALPINE'], 'true')
+  condition: and(eq(variables['VSCODE_BUILD_LINUX_ALPINE'], 'true'), ne(variables['VSCODE_QUALITY'], 'stable')))
   timeoutInMinutes: 120
   pool:
     vmImage: 'Ubuntu-16.04'