Keystore 2.0: Fix convertStorageKeyToEphemenral

Version binding of storage keys was broken in that the old keyblob was
passed to the KM backed instead of the upgraded key blob when an upgrade
was required.

Bug: 194444841
Bug: 187304488
Test: N/A
Change-Id: Iad3e9d4c0de2f8c7121147c81590e56663fe596f
diff --git a/keystore2/src/security_level.rs b/keystore2/src/security_level.rs
index b66c778..e0eabe1 100644
--- a/keystore2/src/security_level.rs
+++ b/keystore2/src/security_level.rs
@@ -907,7 +907,7 @@
                         "In convert_storage_key_to_ephemeral: calling convertStorageKeyToEphemeral (2)",
                         500,
                     );
-                    map_km_error(km_dev.convertStorageKeyToEphemeral(key_blob))
+                    map_km_error(km_dev.convertStorageKeyToEphemeral(&upgraded_blob))
                 }
                     .context(concat!(
                         "In convert_storage_key_to_ephemeral: ",