Fix nobootanimation toggle

The sf.debug.nobootanimation was apparently broken in a recent
refactoring. Flipping the boolean in the utils fixes the issue.

Left some additional logging behind.

Test: marlin-eng boots
Test: my test can prevent the boot animation
Test: shell stop start shows boot animation
Change-Id: I815708a2f16a3a8688cf1a53695e5a8d43194575
diff --git a/cmds/bootanimation/bootanimation_main.cpp b/cmds/bootanimation/bootanimation_main.cpp
index daac588..8501982 100644
--- a/cmds/bootanimation/bootanimation_main.cpp
+++ b/cmds/bootanimation/bootanimation_main.cpp
@@ -157,8 +157,10 @@
 
         // create the boot animation object
         sp<BootAnimation> boot = new BootAnimation(new AudioAnimationCallbacks());
+        ALOGV("Boot animation set up. Joining pool.");
 
         IPCThreadState::self()->joinThreadPool();
     }
+    ALOGV("Boot animation exit");
     return 0;
 }