Fix CCSDK-3168, issue that toJsonString doesn't work properly for large array attributes.

Issue-Id: CCSDK-3168
Signed-off-by: Decheng Zhang <decheng.zhang@huawei.com>
Change-Id: I0aba52ea194dfe52db09a19da2f67d03619bb912
Signed-off-by: Decheng Zhang <decheng.zhang@huawei.com>
1 file changed