Use ftl::Flags for InputReaderConfiguration::Change

Convert the config flags into an enum class and use ftl::Flags when
dealing with configuration changes.

Bug: 245989146
Test: Presubmit
Change-Id: I0aed947ce433a1def11a60e73a14575561374700
diff --git a/services/inputflinger/reader/include/InputDevice.h b/services/inputflinger/reader/include/InputDevice.h
index 2091e16..73351c4 100644
--- a/services/inputflinger/reader/include/InputDevice.h
+++ b/services/inputflinger/reader/include/InputDevice.h
@@ -85,7 +85,7 @@
     void removeEventHubDevice(int32_t eventHubId);
     [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
                                                   const InputReaderConfiguration& readerConfig,
-                                                  uint32_t changes);
+                                                  ConfigurationChanges changes);
     [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when);
     [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvents, size_t count);
     [[nodiscard]] std::list<NotifyArgs> timeoutExpired(nsecs_t when);