Revert "Remove testVendorPropertyNamespace"

This reverts commit f4a2607a8daa76f341a9737981738f53021efe71.

Bug: 77841828
Test: no tests
Change-Id: I82bc5d931197684be9f5ca623a55f42cbdc1fd84
Merged-In: I82bc5d931197684be9f5ca623a55f42cbdc1fd84
(cherry picked from commit 496765e52a5774c95c8dab527eafea477894c098)
1 file changed