Update itertools to 0.10.3

Test: cd external/rust/crates && atest --host -c
Change-Id: Ic4635782fb45eaa4b94696aa8a7b3c5dc1910fc3
diff --git a/Android.bp b/Android.bp
index ba23bc5..09dfee1 100644
--- a/Android.bp
+++ b/Android.bp
@@ -43,7 +43,7 @@
     host_supported: true,
     crate_name: "itertools",
     cargo_env_compat: true,
-    cargo_pkg_version: "0.10.1",
+    cargo_pkg_version: "0.10.3",
     srcs: ["src/lib.rs"],
     edition: "2018",
     features: [