Adding goldfish_audio_legacy hal to emulator build

Test: Build emu and check file copied
Change-Id: Ib089f58d067905dc21ec32bca341b1c67046152b
(cherry picked from commit 3d65ad3e1e13a8099a78b2814e5cc1ae8ef5ace6)
(cherry picked from commit a1675ce1ab1b58b0994a197ee2c6b81cc7bbf3dd)
1 file changed