remove aarch64-linux-android* binaries

No one should be using these any more; instead llvm generally provides
substitutes for these. Please contact android-llvm@googlegroups.com for
questions or support.

Bug: 203698882
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Change-Id: I02ef3f2ee53cdc76c0dbe114bbd0e5342bfd2f90
32 files changed