Revert "Link to libsnapshot_cow where libsnapshot is linked." am: 300a8eb122 am: d46ed87737

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/1447801

Change-Id: I6c867c713250ec4496466b5d0be2c3c0f26409df
diff --git a/Android.bp b/Android.bp
index 8e9ec17..008a432 100644
--- a/Android.bp
+++ b/Android.bp
@@ -200,7 +200,6 @@
         "libgsi",
         "libpayload_consumer",
         "libsnapshot",
-        "libsnapshot_cow",
         "update_metadata-protos",
     ],
     shared_libs: [