Move libs into libs/

Bug: N/A
Test: m
Change-Id: I50ade90dab13fa0ee83b79f17a8ec3cc012fe497
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 3a63a29..7a34485 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -29,7 +29,7 @@
       "path": "packages/modules/Virtualization/apkdmverity"
     },
     {
-      "path": "packages/modules/Virtualization/apkverify"
+      "path": "packages/modules/Virtualization/libs/apkverify"
     },
     {
       "path": "packages/modules/Virtualization/authfs"