Do not crash in cmake_transform.py is a module has no 'libs'

Bug: 154151802
Test: build
Signed-off-by: Roman Kiryanov <rkir@google.com>
Merged-In: Iaa3b4bf253daac9e6b9755cb31bb63d51273ef38
Change-Id: I69ba2aba0d6215bb20b65d6c6ddb972b417ba0cd
1 file changed