base: remove wildcard exports
base: remove wildcard exports

Also exports few more windows symbols.

The current exports are not well grouped/organized yet. We will get to
that in another patch.

BUG=b:213153157
TEST=presubmit

Change-Id: I902ec0f9f572ac7889bd7703365dad472fc8d930
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3636274
Reviewed-by: Daniel Verkamp <72bc170b46ec491f7bdd4359a1c0bfed274de40c@chromium.org>
Tested-by: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>
Commit-Queue: Vikram Auradkar <50abc1d85bedfd527fc7dee23f4819d1f0d946ec@google.com>

google/crosvm,google/crosvm,google/crosvm,google/crosvm