Fix int truncation in auth token handling

HardwareAuthToken.timestamp is uint64_t but got truncated to uint32_t by
timestamp_host_order(). Also add some logging to undertand the issue of
bad auth token on ryu.

Bug: 65283496
Test: builds and runs
Change-Id: Ia51d0880f47594e6ab02e46bec270ee68dc5823f
diff --git a/keystore/key_store_service.cpp b/keystore/key_store_service.cpp
index 85de181..eb5fe86 100644
--- a/keystore/key_store_service.cpp
+++ b/keystore/key_store_service.cpp
@@ -1717,6 +1717,7 @@
     case AuthTokenTable::AUTH_TOKEN_NOT_FOUND:
     case AuthTokenTable::AUTH_TOKEN_EXPIRED:
     case AuthTokenTable::AUTH_TOKEN_WRONG_SID:
+        ALOGE("getAuthToken failed: %d", err); //STOPSHIP: debug only, to be removed
         return ErrorCode::KEY_USER_NOT_AUTHENTICATED;
     case AuthTokenTable::OP_HANDLE_REQUIRED:
         return failOnTokenMissing ? KeyStoreServiceReturnCode(ErrorCode::KEY_USER_NOT_AUTHENTICATED)