display: Remove genlock usage

genlock is no-op from Android 4.2 onwards since the sync framework
is used for explicit synchronization.

Change-Id: Idd1df589516534a683e0fa1ef0cfbb7f0e411f67
diff --git a/libgralloc/Android.mk b/libgralloc/Android.mk
index 749a672..fb2b0df 100644
--- a/libgralloc/Android.mk
+++ b/libgralloc/Android.mk
@@ -21,7 +21,7 @@
 LOCAL_MODULE_PATH             := $(TARGET_OUT_SHARED_LIBRARIES)/hw
 LOCAL_MODULE_TAGS             := optional
 LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes)
-LOCAL_SHARED_LIBRARIES        := $(common_libs) libmemalloc libgenlock
+LOCAL_SHARED_LIBRARIES        := $(common_libs) libmemalloc
 LOCAL_SHARED_LIBRARIES        += libqdutils libGLESv1_CM
 LOCAL_CFLAGS                  := $(common_flags) -DLOG_TAG=\"qdgralloc\"
 LOCAL_ADDITIONAL_DEPENDENCIES := $(common_deps) $(kernel_deps)
@@ -35,7 +35,7 @@
 LOCAL_MODULE                  := libmemalloc
 LOCAL_MODULE_TAGS             := optional
 LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes)
-LOCAL_SHARED_LIBRARIES        := $(common_libs) libgenlock libqdutils libdl
+LOCAL_SHARED_LIBRARIES        := $(common_libs) libqdutils libdl
 LOCAL_CFLAGS                  := $(common_flags) -DLOG_TAG=\"qdmemalloc\"
 LOCAL_ADDITIONAL_DEPENDENCIES := $(common_deps) $(kernel_deps)
 LOCAL_SRC_FILES               :=  ionalloc.cpp alloc_controller.cpp