Merge "Use the correct ninja binary for the host in aninja" into main

bin/aninja

@@ -20,6 +20,19 @@ source $(cd $(dirname $BASH_SOURCE) &> /dev/null && pwd)/../../make/shell_utils.
 require_top
 require_lunch
 
-cd $(gettop)
+case $(uname -s) in
-prebuilts/build-tools/linux-x86/bin/ninja -f out/combined-${TARGET_PRODUCT}.ninja "$@"
+    Darwin)
+        host_arch=darwin-x86
+        ;;
+    Linux)
+        host_arch=linux-x86
+        ;;
+    *)
+        >&2 echo Unknown host $(uname -s)
+        exit 1
+        ;;
+esac
+
+cd $(gettop)
+prebuilts/build-tools/${host_arch}/bin/ninja -f out/combined-${TARGET_PRODUCT}.ninja "$@"