[asan] Revert global check for non-AIX  (#149245)

287b24e1899eb6ce62eb9daef5a24faae5e66c1e moved the
`GetGlobalAddressInformation` call earlier, but this broke a chromium
test, so make this workaround for AIX only.

GitOrigin-RevId: 4e6b843cf59735ffb7092edd178e4b03433a44df
1 file changed