[fuchsia] Migrate fuchsia.sysmem to //sdk.

Bug: 154346346
Test: presubmit
Merged-In: I8280e2bf83b70657e0aaabfa9205e624625c9609
Change-Id: Ia47027481e14bef1aff775f9b73b42d25f742299
diff --git a/BUILD.gn b/BUILD.gn
index 7ccdd88..6930037 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -132,7 +132,7 @@
 
     deps = [
       "//sdk/fidl/fuchsia.hardware.goldfish",
-      "//zircon/system/fidl/fuchsia-sysmem",
+      "//sdk/fidl/fuchsia.sysmem",
       "//zircon/public/lib/trace-with-static-engine",
       "//zircon/public/lib/syslog-static",
       "//zircon/public/lib/zx",