Find7: Add WfdCommon java lib

WfdCommon.jar is processed on boot (see device BOOTCLASSPATH)

Change-Id: I8c9a0440b5bd8b44ecbca9207aa775313c6e05cf
Find7: Add some more binaries from stock

Change-Id: I15a9bee5cce970c75c7703a960ecdcd7fdd77c4a