Update git submodules
- Update Timeless from branch 'master' to c9e9bb97e2bd5ebfc3bf4c5e2b8bb6b2bbb8a198
- Drop redundant attribute from a elements
Holdover from SkinTemplate assumptions about link assembly.
Bug: T214202 Change-Id: Idfa033bcfd100d031d31449228316206ff124aae
- Drop redundant attribute from a elements