Merge "Fix null handling of getPackagesForOps"

    @SystemApi

    @RequiresPermission(android.Manifest.permission.GET_APP_OPS_STATS)

    public @NonNull List<AppOpsManager.PackageOps> getPackagesForOps(@Nullable String[] ops) {

        final int[] opCodes;

        if (ops != null) {

            final int opCount = ops.length;

        final int[] opCodes = new int[opCount];

            opCodes = new int[opCount];

            for (int i = 0; i < opCount; i++) {

                opCodes[i] = sOpStrToOp.get(ops[i]);

            }

        } else {

            opCodes = null;

        }

        final List<AppOpsManager.PackageOps> result = getPackagesForOps(opCodes);

        return (result != null) ? result : Collections.emptyList();

    }