AB Cache dir: If device doesn't have /data/cache for FBE, we should
try /persist if in the fstab.

Change-Id: I70dd19538b7f9b8cf61c46f6c8167057eec3342b
diff --git a/data.cpp b/data.cpp
index cf9dd24..9225535 100755
--- a/data.cpp
+++ b/data.cpp
@@ -1043,6 +1043,11 @@
 	char version[255];
 
 	std::string cacheDir = TWFunc::get_cache_dir();
+	if (cacheDir.empty()) {
+		LOGINFO("Unable to find cache directory\n");
+		return;
+	}
+
 	std::string recoveryCacheDir = cacheDir + "recovery/";
 
 	if (cacheDir == NON_AB_CACHE_DIR) {
@@ -1053,7 +1058,7 @@
 	}
 	if (!TWFunc::Path_Exists(recoveryCacheDir)) {
 		LOGINFO("Recreating %s folder.\n", recoveryCacheDir.c_str());
-		if (mkdir(recoveryCacheDir.c_str(), S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP) != 0) {
+		if (!TWFunc::Create_Dir_Recursive(recoveryCacheDir.c_str(), S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP, 0, 0)) {
 			LOGERR("DataManager::Output_Version -- Unable to make %s: %s\n", recoveryCacheDir.c_str(), strerror(errno));
 			return;
 		}