This reverts commit 5ae5bbd3. This
breaks device kernel builds that need to generate a symbol list. With
this change, build_abi.sh will include all of the inter-module symbols
as well.

Bug: 232988816
Change-Id: I59051737c7b93864f184e6f39268b1d90156d463
Signed-off-by: Will McVicker <willmcvicker@google.com>