Add cmdline param to control fake camera emulation

- Enable / Disable fake camera
- Set fake camera facing direction: back, or front

Change-Id: Iab741a694daf2bf752e91e23df566a83ac7a97e7
diff --git a/vl-android.c b/vl-android.c
index c02abd5..f657258 100644
--- a/vl-android.c
+++ b/vl-android.c
@@ -3734,6 +3734,13 @@
     /* Initialize OpenGLES emulation */
     //android_hw_opengles_init();
 
+    /* Initialize fake camera */
+    if (android_hw->hw_fakeCamera) {
+        boot_property_add("qemu.sf.fake_camera", android_hw->hw_fakeCamera);
+    } else {
+        boot_property_add("qemu.sf.fake_camera", "back");
+    }
+
     if (android_op_cpu_delay) {
         char*   end;
         long    delay = strtol(android_op_cpu_delay, &end, 0);