add BOARD_HAVE_PRE_KITKAT_AUDIO_BLOB

Change-Id: I58071ebf477de6af4662186f9cf0fc789633bab8
remove prebuilt libsurfaceflinger_client

Change-Id: Ie43782810d414d4da0570c146e4f03ce9c7454b2
remove adb hack

Change-Id: Ie1a983a6d9247bfce19168ec78e2742d9db577ad