Set twrp.action_complete after completing action

Change-Id: I078f0659696cc57564b5db0076a0ed9aaea822d4
diff --git a/gui/action.cpp b/gui/action.cpp
index 0101a37..20944da 100644
--- a/gui/action.cpp
+++ b/gui/action.cpp
@@ -502,6 +502,7 @@
 	DataManager::SetValue("tw_operation_state", 1);
 	DataManager::SetValue(TW_ACTION_BUSY, 0);
 	blankTimer.resetTimerAndUnblank();
+	property_set("twrp.action_complete", "1");
 	time(&Stop);
 	if ((int) difftime(Stop, Start) > 10)
 		DataManager::Vibrate("tw_action_vibrate");
@@ -536,6 +537,7 @@
 
 int GUIAction::page(std::string arg)
 {
+	property_set("twrp.action_complete", "0");
 	std::string page_name = gui_parse_text(arg);
 	return gui_changePage(page_name);
 }