Fix duplicate deps with stubs

Previously stubs were adding items that would later be removed as they
are handled in the Bazel rules.

Test: soong tests
Test: b build //frameworks/native/opengl/libs:libEGL_blobCache
    --platforms=//build/bazel/platforms:android_target
Bug: 246423126
Change-Id: I76187dd0900e2b1307b22ac5c3dde013bf370470