Update Android.bp by running cargo_embargo

Test: ran cargo_embargo
Change-Id: Iccc610903c158906a63adc92ff1ce0308380a518
diff --git a/Android.bp b/Android.bp
index b62a351..bd09a76 100644
--- a/Android.bp
+++ b/Android.bp
@@ -26,7 +26,7 @@
     crate_name: "gdbstub_arch",
     cargo_env_compat: true,
     cargo_pkg_version: "0.3.0",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     test_suites: ["general-tests"],
     auto_gen_config: true,
     test_options: {
@@ -45,7 +45,7 @@
     crate_name: "gdbstub_arch",
     cargo_env_compat: true,
     cargo_pkg_version: "0.3.0",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2018",
     rustlibs: [
         "libgdbstub",