Summary:
Update podspecs with the right search paths to include the required framework by every module.
## Changelog:
[iOS][Changed] - Update search paths to support `use_frameworks!` with Fabric
Reviewed By: sammy-SC, dmytrorykun
Differential Revision: D43089372
fbshipit-source-id: 4bbfc4b98bd289d66ce4015429d581856d9c05b3