Android builds are transitioning to using Bazel for builds, and there
is a Driver Development Kit (DDK) which out-of-tree drivers must use
in this new scheme. Introduce the infrastructure to describe the wlan
platform driver modules using the DDK.
Change-Id: Ied2aae354aaea8a038461f6c74f26fe4f362a05a
CRs-Fixed: 3449426
