Update init.bravo.rc due to update in system/core

a2dffa9db6c08c240e9511faee1c16fea535ef3e

    init.rc: Move SD card support to device specific init.rc files

    Change-Id: I5745e91df2b7c5722bd6e650931d3d2d7d0eadcb
    Signed-off-by: Mike Lockwood <lockwood@android.com>