create_snapshot: Build the binary as static

Build it statically so that it gets easy to be deployed
in lab host without additional shared dependency.

Bug: 342328623
Test: Build create_snapshot; ldd create_snapshot
Change-Id: Ie788ba34bfff38cf78f29ad41d912dcad3bf77de
Signed-off-by: Akilesh Kailash <akailash@google.com>
diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
index 914b4a6..402eb82 100644
--- a/fs_mgr/libsnapshot/Android.bp
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -503,6 +503,8 @@
             enabled: false,
         },
     },
+    stl: "libc++_static",
+    static_executable: true,
 }
 
 python_library_host {