printflags: quote aconfig arguments am: 2bdbb880af am: be98901796 am: 4b2b5a6b20

Original change: https://android-review.googlesource.com/c/platform/build/bazel/+/2906957

Change-Id: I2bd791a0f0d712b0a52dec6e8072ea593a08011b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/bin/printflags b/bin/printflags
index 283bd09..feea76a 100755
--- a/bin/printflags
+++ b/bin/printflags
@@ -22,4 +22,4 @@
    echo "Missing dependencies: please run 'm all_aconfig_declarations' and try again."
    exit 1
 fi
-$aconfig dump-cache --cache $flags_file $@
+$aconfig dump-cache --cache "$flags_file" "$@"