Merge "Remove (host) x86_64-linux gcc-4.8 bins" am: 3a41842369 am: 9a37f4713e am: 7e66bbdc8c

Original change: https://android-review.googlesource.com/c/platform/prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.17-4.8/+/1885351

Change-Id: I1ae455c6e21913233ae952d8426da70c622f2948