[NETD-BPF#11] libgpumem includes WaitForProgsLoaded.h

Function waitForProgsLoaded() has been moved from libbpf_android.h to
WaitForProgsLoaded.h.

Bug: 202086915
Test: build; flash; cd system/netd; atest
Change-Id: I466515f9cecc62551dc2312fba75b8df85e04c6e
1 file changed