Revert^2 "Small fix: Use const value on IsHashreeDisabled"

This reverts commit ec3ef81fd93bfa62d77bd58fafa0bfa6516f0c97.

Reason for revert: b/317470107 is an infrastructure error

Change-Id: If5a022cbfd016d9c55261c67a1a73d81cb336343
diff --git a/init/first_stage_mount.cpp b/init/first_stage_mount.cpp
index b5292a4..c0b9281 100644
--- a/init/first_stage_mount.cpp
+++ b/init/first_stage_mount.cpp
@@ -732,7 +732,7 @@
     return true;
 }
 
-bool IsHashtreeDisabled(const AvbHandle& vbmeta, std::string mount_point) {
+bool IsHashtreeDisabled(const AvbHandle& vbmeta, const std::string& mount_point) {
     if (vbmeta.status() == AvbHandleStatus::kHashtreeDisabled ||
         vbmeta.status() == AvbHandleStatus::kVerificationDisabled) {
         LOG(ERROR) << "Top-level vbmeta is disabled, skip Hashtree setup for " << mount_point;