perfetto: expand available arches for scripts using prebuilts
perfetto: expand available arches for scripts using prebuilts

Don't artifically limit which platforms we can use scripts on beyond
checking if the required binaries for that platform exists.

Change-Id: Id309ad12e69505137e3d11252fd45b60389a172f

google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto