Merge "toolbox/modprobe: Fix fallback path when mod_dirs is empty" am: 0cea31e5

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2606015



Change-Id: I7b62f920f8a57c8bc14b8d929dcc92b6d01db77f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>