clear cipher cache when replacing ios autofill identities (#1112)

* clear cipher cache when replacing ios autofill identities

* changed to be service-centric

* support for multiple cache keys

* async suffix

* added cache keys for android

src/App/Services/MobileStorageService.cs

@@ -32,6 +32,8 @@ namespace Bit.App.Services
             Constants.MigratedFromV1AutofillPromptShown,
             Constants.TriedV1Resync,
             Constants.ClearCiphersCacheKey,
+            Constants.iOSAutoFillClearCiphersCacheKey,
+            Constants.iOSExtensionClearCiphersCacheKey,
             Constants.EnvironmentUrlsKey,
         };