Camera: Add media/camera NDK documents

Include media/camera ndk headers to codegen source.
Add docs/images directory for image links in generated documents.

Bug: 27102995
Change-Id: I9c75e2ceba3458c9962c26cf786e1402fd963696
diff --git a/docs/Doxyfile b/docs/Doxyfile
index 46d6d84..3ea453f 100644
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -677,7 +677,7 @@
 # directories like "/usr/src/myproject". Separate the files or directories 
 # with spaces.
 
-INPUT                  = ../include/android
+INPUT                  = ../include/android ../../av/include/ndk ../../av/include/camera/ndk
 
 # This tag can be used to specify the character encoding of the source files 
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is