ASSERT syscall number mismatch at init time in every 32-bit app on GA Server2016

[derekbruening]

I believe this is the cause of the Dr. Memory 32-bit failures on GA: DynamoRIO/drmemory#2329

For #4131 I'm running DR's suite for the first time on GA's Server 2016 images and every 32-bit app hits this:

2020-12-05T20:33:55.1710455Z         Start  10: code_api|common.fib
2020-12-05T20:33:55.1710943Z 
2020-12-05T20:33:55.1712615Z 10: Test command: D:\a\dynamorio\dynamorio\build_debug-internal-32\bin32\drrun.exe "-s" "90" "-quiet" "-debug" "-use_dll" "D:/a/dynamorio/dynamorio/build_debug-internal-32/lib32/debug/dynamorio.dll" "-exit0" "-stderr_mask" "0xC" "-msgbox_mask" "0" "-dumpcore_mask" "0x7d" "-staged" "-no_early_inject" "-code_api" "--" "D:/a/dynamorio/dynamorio/build_debug-internal-32/suite/tests/bin/common.fib.exe"
2020-12-05T20:33:55.1714331Z 10: Test timeout computed to be: 600
2020-12-05T20:33:55.1966766Z 10: <Application D:\a\dynamorio\dynamorio\build_debug-internal-32\suite\tests\bin\common.fib.exe (4828).  Internal Error: DynamoRIO debug check failure: ..\core\win32\ntdll.c:624 (byte *)d_r_get_proc_address(ntdllh, syscall_names[i]) != NULL && (*((int *)(((byte *)d_r_get_proc_address(ntdllh, syscall_names[i])) + SYSNUM_OFFS)) == syscalls[i] || ALLOW_HOOKER((byte *)d_r_get_proc_address(ntdl
2020-12-05T20:33:55.1968682Z 10: version 8.0.18601, custom build
2020-12-05T20:33:55.1969101Z 10: 
2020-12-05T20:33:55.1969423Z 10: 0x00cfeff4 0x70a5c863
2020-12-05T20:33:55.1970270Z 10: 0x00cff128 0x70c6c832
2020-12-05T20:33:55.1970646Z 10: 0x00cff1ac 0x7099cf0f
2020-12-05T20:33:55.1971318Z 10: 0x00cffa68 0x70c0b4b1
2020-12-05T20:33:55.1971685Z 10: 0x00cffad0 0x70c0be18>
2020-12-05T20:33:55.1992810Z  10/282 Test  #10: code_api|common.fib ..........................................***Failed  Required