[Bugfix][T106BUG-157]Fix the apn information is set to the maximum length, buffer overflow.

Only Configure: No
Affected branch: master
Affected module: data
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I28a7ffc9c68996d9650561135ac6782886de9229
1 file changed