Clear the OUT folder before update-api

This *should* fix the bug when update-api fails to update current.txt

Bug: 243966946
Test: run locally
Change-Id: I330e03eee695b6b9b27785dd14d00e2589f9c5e7
diff --git a/finalize-aidl-vndk-sdk-resources.sh b/finalize-aidl-vndk-sdk-resources.sh
index 5d4fbe3..e74ba71 100755
--- a/finalize-aidl-vndk-sdk-resources.sh
+++ b/finalize-aidl-vndk-sdk-resources.sh
@@ -39,7 +39,8 @@
 
     sed -i "s%$sdk_codename%$sdk_version%g" $sdk_build
 
-    # Update the current.txt
+    # Force update current.txt
+    $m clobber
     $m update-api
 }