lshal: use libbase HexString

Now that it is removed from libhidl-gen-hash.

Bug: N/A
Test: lshal
Change-Id: Iafd8fce29e685375d8c6ce28ea02eaf3640c41ea
diff --git a/cmds/lshal/TableEntry.cpp b/cmds/lshal/TableEntry.cpp
index 8e21975..1753343 100644
--- a/cmds/lshal/TableEntry.cpp
+++ b/cmds/lshal/TableEntry.cpp
@@ -18,6 +18,7 @@
 
 #include <map>
 
+#include <android-base/hex.h>
 #include <android-base/strings.h>
 #include <hidl-hash/Hash.h>
 #include <vintf/parse_string.h>
@@ -104,7 +105,8 @@
 }
 
 std::string TableEntry::isReleased() const {
-    static const std::string unreleased = Hash::hexString(Hash::kEmptyHash);
+    static const std::string unreleased = android::base::HexString(Hash::kEmptyHash.data(),
+                                                                   Hash::kEmptyHash.size());
 
     if (hash.empty()) {
         return "?";