DHCP: Don't write options longer than 255 bytes.
DHCP: Don't write options longer than 255 bytes.

Change-Id: Iddc971c7ac97253af3063850cde3dee10c3829ff

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base