msm7x30: use a different inclusion method for libsurfaceflinger_client stub

Change-Id: I5bb2aa1280bd5adb286982b42b4cab224208aa87

Conflicts:
	msm7x30.mk
msm7x30: set bg app limit to half of default

Change-Id: I49e7fc1d5b5e2487d613491d99cfe5d73dc7a92e