Fix hw module lookup order.

Make sure hw_get_module_by_class() first scans /vendor/lib/hw
and then /system/lib/hw so that vendor specific modules override
default ones.

Change-Id: Iaec61c3b4bb6fde202acb4412aaec3b318cc1cbd
diff --git a/hardware.c b/hardware.c
index 2559237..4d5f8fe 100644
--- a/hardware.c
+++ b/hardware.c
@@ -146,11 +146,11 @@
                 continue;
             }
             snprintf(path, sizeof(path), "%s/%s.%s.so",
-                    HAL_LIBRARY_PATH1, name, prop);
+                     HAL_LIBRARY_PATH2, name, prop);
             if (access(path, R_OK) == 0) break;
 
             snprintf(path, sizeof(path), "%s/%s.%s.so",
-                     HAL_LIBRARY_PATH2, name, prop);
+                     HAL_LIBRARY_PATH1, name, prop);
             if (access(path, R_OK) == 0) break;
         } else {
             snprintf(path, sizeof(path), "%s/%s.default.so",