* Reset the RC per-instance user defaults if the config database was not found.
* Add unit test.
* Ignore the non-object arguments when stubbing the fetchWithExpirationDuration method.
* Update changelog.
* Disable multi-instance tests until partial mocking for OCMock is figured out.
* Remove extra OCMStub.
* Explicitely cast partial mocks to id to stopMocking.
* Fix typo.
* Do not continue with fetch if we do not get a valid IID.
* Address review changes to test file.
* Update test file based on review comments.
* Fix warnings.
* Fix build.
* Fix build.
* Add RC test app.
* Add private header files to podspec used by 2P.
* Rename FIRRemoteConfig_Internal.h to FIRRemoteConfig_Private.h.
* Fix style.
* Add copyright notice.
* Fix relative path to RCNConfigSettings for tests.
* Fix style.
* Rename to FIRRemoteConfig_Private.h for unit tests.
* Rename to coorect relative path.