Handle policy reloads within installd rather than restarting it.

Restarting installd upon policy reloads has reportedly caused
stability problems for some users.  Stop restarting installd
and instead handle policy reloads within it.

Change-Id: I697a736d8e414cfc6cfa131ed7b97c7f7694d022
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Support RGB565 FB device

Add HWC_DISPLAY_FORMAT query to hwc hal to get FB's format
Return FB0's format as VisualID to surfaceflinger

Change-Id: Ic55d084f9243b95f54eb60dbef2fa52dcfb3a447
Signed-off-by: guoyin.chen <guoyin.chen@freescale.com>