inputflinger: Add gesture sensor support

Change-Id: Ieca4e54439c47a817aaa6a9b6fabcee750ffc0c2
Add GESTURE_SENSOR input source

Change-Id: If61a7e7bf2d8b2665db7ca57ed68a4462d0c1783
exynos4: getphys implementation on buffermanager for samsung omx

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

Change-Id: I1dc9c2ced0700072e7c30c8435676873b10c7026