[build]: Enable reproducible build for git docker (sonic-net#8331)

Author: liushilongbuaa

.azure-pipelines/docker-sonic-slave.yml

@@ -45,7 +45,7 @@ parameters:
 variables:
 - ${{ if and(startsWith(variables['Build.SourceBranchName'], '202'), eq(length(variables['Build.SourceBranchName']), 6)) }}:
   - name: BUILD_OPTIONS
-    value: 'SONIC_VERSION_CONTROL_COMPONENTS=deb,py2,py3,web'
+    value: 'SONIC_VERSION_CONTROL_COMPONENTS=deb,py2,py3,web,git,docker'
 
 stages:
 - stage: Build

.azure-pipelines/official-build.yml

@@ -21,7 +21,7 @@ stages:
   variables:
     CACHE_MODE: wcache
     ${{ if eq(variables['Build.SourceBranchName'], '202012') }}:
-      VERSION_CONTROL_OPTIONS: 'SONIC_VERSION_CONTROL_COMPONENTS=deb,py2,py3,web'
+      VERSION_CONTROL_OPTIONS: 'SONIC_VERSION_CONTROL_COMPONENTS=deb,py2,py3,web,git,docker'
   jobs:
   - template: azure-pipelines-build.yml
     parameters: