Adding plumbing for passing the lib directory.

Added call in handleBindApplication which will pass the library path into
HardwareRender which then passes it to libvulkan through ThreadedRenderer's
jni interface.

Change-Id: I7dc1fec9c7a1566716a4501a0d5697ea94e57b53
diff --git a/core/jni/Android.mk b/core/jni/Android.mk
index 8c4683d..ffa3fa6 100644
--- a/core/jni/Android.mk
+++ b/core/jni/Android.mk
@@ -184,6 +184,7 @@
     $(LOCAL_PATH)/android/graphics \
     $(LOCAL_PATH)/../../libs/hwui \
     $(LOCAL_PATH)/../../../native/opengl/libs \
+    $(LOCAL_PATH)/../../../native/vulkan/include \
     $(call include-path-for, bluedroid) \
     $(call include-path-for, libhardware)/hardware \
     $(call include-path-for, libhardware_legacy)/hardware_legacy \
@@ -233,6 +234,7 @@
     libEGL \
     libGLESv1_CM \
     libGLESv2 \
+    libvulkan \
     libETC1 \
     libhardware \
     libhardware_legacy \