move tinyutils into its own namespace

I was fed-up with the constant conflicts in Eclipse
with the "libutils" version.

Also fix a few copyright notices.

Change-Id: I8ffcb845af4b5d0d178f5565f64dfcfbfa27fcd6
diff --git a/libpixelflinger/codeflinger/CodeCache.h b/libpixelflinger/codeflinger/CodeCache.h
index 54fd69b..fa67dd0 100644
--- a/libpixelflinger/codeflinger/CodeCache.h
+++ b/libpixelflinger/codeflinger/CodeCache.h
@@ -28,6 +28,8 @@
 
 namespace android {
 
+using namespace tinyutils;
+
 // ----------------------------------------------------------------------------
 
 class AssemblyKeyBase {