Update git submodules

* Update platform/external/virglrenderer from branch 'master'
  to 13157086d99a23ca3f7feb4522da92a707c98d02
  - Add metadata files
    
    Bug: 111504385
    Change-Id: I29408413750f50bf1cdc05a3e50aa87c754a0808
    
1 file changed