Adding AuraServiceProvider marker interface and [passive] @Component annotations as the firs increment to make OSGi integration easier.

No functional changes are expected whatsoever because of this CL. We just need to verify that it successfully merges and build.

@bug W-2343938@ - https://gus.my.salesforce.com/apex/adm_userstorydetail?id=a07B00000010KWH
@bug W-2343931@ - https://gus.my.salesforce.com/apex/adm_userstorydetail?id=a07B00000010KVi
@rev rpack@
Merge pull request #130 from UI/ishmulevich/review-pending/apply-type-checking-to-ServiceLocator

Ishmulevich/review pending/apply type checking to service locator