surfaceflinger: Add ifdefs for secure display query

 * The HWC_SECURE feature is only implemented for devices using
   QC-CAF hwcomposers.

Change-Id: I1aa72864ba6a0e62fd7cee74631b57200db3db4f
Add 3GB dalvik heap and hwui memory

Should be used on devices with 3gb's of ram (Bacon, LG G3, etc)
Change-Id: I5833a19ea77b99009fc9f9c7c2a967b0dde06b77
exynos4: getphys implementation on buffermanager for samsung omx

Change-Id: Iee665f56aaf601479d796703db983ca5fce9c5c3
ui: exynos4: getphys is common

Change-Id: I1dc9c2ced0700072e7c30c8435676873b10c7026
(2/3) allow to configure lcd density

Change-Id: I8366d29027f3ac75f61ae727bd865dceede42c06