Merge "libutils: check vsnprintf error" into oc-dev am: a03d37d542 am: d8801aaad8 am: d05ecb8d9d am: dc99a094dd am: 64b312bbd8 am: 0cb14f1fe7 am: ce44c8ac3c am: 1db089dc83

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/12254459

Change-Id: Iff7d2369ae16046560092265db6adf95a0176603