wpa_supplicant(hidl): Add P2P stub methods

Add stubs for all the P2P methods.

Bug: 31497295
Test: Compiles
Change-Id: Idba0ad351901e6c86fe42dcaa6a4a565073243b1
diff --git a/wpa_supplicant/hidl/supplicant.h b/wpa_supplicant/hidl/supplicant.h
index 673b9f5..1ad8402 100644
--- a/wpa_supplicant/hidl/supplicant.h
+++ b/wpa_supplicant/hidl/supplicant.h
@@ -54,6 +54,8 @@
 	Return<ISupplicant::DebugLevel> getDebugLevel() override;
 	Return<bool> isDebugShowTimestampEnabled() override;
 	Return<bool> isDebugShowKeysEnabled() override;
+	Return<void> setConcurrencyPriority(
+	    IfaceType type, setConcurrencyPriority_cb _hidl_cb) override;
 
 private:
 	// Corresponding worker functions for the HIDL methods.
@@ -65,6 +67,7 @@
 	    const sp<ISupplicantCallback>& callback);
 	SupplicantStatus setDebugParamsInternal(
 	    ISupplicant::DebugLevel level, bool show_timestamp, bool show_keys);
+	SupplicantStatus setConcurrencyPriorityInternal(IfaceType type);
 
 	// Raw pointer to the global structure maintained by the core.
 	struct wpa_global* wpa_global_;