libsecril-client: Remove -lpthread

Change-Id: I7f0a11a460cd3626f51a19482598cccabb13d5de
Exynos4: Fix build

Change-Id: Idb327b37156e2014a34a8831ce6d60769e3217af
libcamera: fix camera.

Change-Id: I8992ec58b0254c73075e5e1a7b08227958179c0e
libril: remove -lpthread to fix build.

Change-Id: I3b132ef20fb5d784a3335356393c739af2fbe415