Add WebP Encoder code to the /external/webp code-repo. With this change
in addtion to libwebp-decode static lib, libwebp-encode static library
corresponding to WebP encoder will be build & installed.

Change-Id: I809a427a6ad849ba7d16f56dd0b0bc5cba4768ec
diff --git a/README.android b/README.android
index 4bfaad6..0c519cc 100644
--- a/README.android
+++ b/README.android
@@ -14,10 +14,13 @@
   - Makefile.am  Makefile.vc Makefile.in
   - config.h.in configure config.guess config.sub configure.ac
   - autogen.sh install-sh missing depcomp ltmain.sh aclocal.m4
+- Added WebP Encoder (ver 0.1.2) as well
+  - Removed some more unused Makefile.am & Makefile.in
+  - Added Android.mk to encoder & decoder code levels.
 
-The Android.mk file creates a static library which can be added
-to any application by Adding to LOCAL_STATIC_JAVA_LIBRARIES
-libwebp-decode:
+The Android.mk file creates WebP Decoder and Encoder static libraries which
+can be added to any application by Adding to LOCAL_STATIC_LIBRARIES
+libwebp-decode libwebp-encode:
 
-  LOCAL_STATIC_JAVA_LIBRARIES += libwebp-decode
+  LOCAL_STATIC_LIBRARIES += libwebp-decode libwebp-encode