Update git submodules
* Update glance-specs from branch 'master'
to 1de4647dbeb0fbe886d83bdab60aa82eaa531fee
- Merge "[Spec Lite] Deprecate location strategy"
- [Spec Lite] Deprecate location strategy
Change-Id: Ia12b350543b8590a536cf8ee7e986decfbd4950e
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