Add missing NULL check for android_os_Parcel_writeInt
Add missing NULL check for android_os_Parcel_writeInt

All other usages of nativePtr were already checked.

Bug: 21636519
Change-Id: Icc09ce4326e6b05c5a248cc4de84ae231d5690b1

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