Increase plugin life time

A plugin is created when it is first needed and destroyed when the FP device
is destroyed. This allows the plugins to keep state during long running
operations such as presenting a UI query.

PiperOrigin-RevId: 543502491

fastpair/internal/BUILD

@@ -18,6 +18,7 @@ cc_library(
         "//fastpair/repository:device_repository",
         "//fastpair/scanning:scanner",
         "//internal/platform:types",
+        "@com_google_absl//absl/functional:any_invocable",
         "@com_google_absl//absl/status",
         "@com_google_absl//absl/strings:str_format",
     ],