Add min_sdk_version to num-complex crate

Android.bp generated with `cargo_embargo generate cargo_embargo.json`

Test: m libnum_complex
Bug: 357118357
Change-Id: I86fbffcf83eed6924a0de29cb9fa124860d0cc83
diff --git a/Android.bp b/Android.bp
index d4ae441..d399845 100644
--- a/Android.bp
+++ b/Android.bp
@@ -41,6 +41,7 @@
     ],
     product_available: true,
     vendor_available: true,
+    min_sdk_version: "29",
 }
 
 rust_test {
diff --git a/cargo_embargo.json b/cargo_embargo.json
index c8842d1..16616e0 100644
--- a/cargo_embargo.json
+++ b/cargo_embargo.json
@@ -1,4 +1,5 @@
 {
+  "min_sdk_version": "29",
   "run_cargo": false,
   "tests": true
 }