Include cargo config for cdk-ffi to enforce Android page sizes (#1241)

crates/cdk-ffi/.cargo/config.toml

@@ -0,0 +1,7 @@
+[target.'cfg(target_os = "android")']
+rustflags = [
+    "-C", "link-arg=-z",
+    "-C", "link-arg=max-page-size=16384",
+    "-C", "link-arg=-z",
+    "-C", "link-arg=common-page-size=16384",
+]