add an entry for the new libgui
add an entry for the new libgui

libgui is for high level C++ frameworks, it can depend on the
binder (unlike libui).

Change-Id: I4a1ebc69284919c85dce03e1395578af2fd08aa8

Hybrid-Power/startsync,xorware/android_build,knone1/platform_manifest,xorware/android_build,pranav01/platform_manifest,ND-3500/platform_manifest,fallouttester/platform_manifest,xorware/android_build,RR-msm7x30/platform_manifest,xorware/android_build,see4ri/lolili,xorware/android_build,hagar006/platform_manifest