Fix visibility rules.

BUG: 163786882
Test: Local build + TH
Change-Id: I788af6cf17ebee1fa5001768389a2c8b855c3534
diff --git a/libc/Android.bp b/libc/Android.bp
index 065d986..06eb6dd 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1792,8 +1792,8 @@
         "//external/scudo:__subpackages__",
         "//system/core/debuggerd:__subpackages__",
         "//system/core/libcutils:__subpackages__",
-        "//system/core/libunwindstack:__subpackages__",
         "//system/memory/libmemunreachable:__subpackages__",
+        "//system/unwinding/libunwindstack:__subpackages__",
         "//tools/security/sanitizer-status:__subpackages__",
     ],
     vendor_available: true,