Android U Beta 3 GPL
Merge "Fix darwin build." am: fcf3e599e9 am: f6f130416b am: 24952eb7ac am: 72e48d4854

Original change: https://android-review.googlesource.com/c/platform/external/libusb/+/2183991

Change-Id: Ic3b0e3bccbe27d9ca844b50e4e32102ca6e6dbb5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>