glibc: define __NR_bpf am: d38e3ac65e am: d9edbda42d

Original change: https://android-review.googlesource.com/c/platform/prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.17-4.8/+/1944206

Change-Id: Ic9ead93464dafe1a24dbaaffb454d1b482d787b3