fix WifiService
framework/base: Handle ASSOC-REJECT events

Disable current network and enable other saved networks(if any)
once number of ASSOC-REJECTs on an attempt to connect to a corresponding
network exceeds the threshold.
CRs-fixed: 484247

Change-Id: I59ca5b7bcb2cf8d205556feaac5871260a3fd8ec
fix jni