Add -Wl,--hash-style=sysv flag to rs: transform-bc-to-so for compatibility lib.

Bug 18395015

Change-Id: Ib9aecf347c685c8b8b725eecfbc0cec03d9b2c1b
Merge "Add -Wl,--hash-style=sysv flag to rs: transform-bc-to-so for compatibility lib."