To allow runborgs to run on the nextgen branch Change-Id: Icbd425c5e65dd4bcb061a3a1ed4dbe0393dc2c5d
Add Android.mk for libwebm so that unit tests involving WebM I/O can be built for android. Change-Id: I56db0f75672e28c22e559cc415e1d5c26ff0ceb5