kClassIdTagPos and kClassIdTagSize has different value before v2.19.0

when trying analysis this arm64-v8a.zip, blutter crash without any error message.

i found it is due to ClassIdTag haven't proper decoding, lead app.GetClass(cid) get null:

Line 2532 in 73d2047

const uint32_t cid = (tag >> 12) & 0xfffff;

I will submit a pull request try to fix this, thanks a lot.