symtab: add support for CRC values from __kcrctab am: ad0feffef0

Original change: https://android-review.googlesource.com/c/platform/external/libabigail/+/2300221

Change-Id: I8fbec7beb08e0873553f216dae311ee148df5c49
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>