Deprecating llndk-versioning.h

Symbols are still guarded by API_LEVEL_AT_LEAST(api_level). Vendor
variants use the same guard now instead of __ANDROID_VENDOR_API__.

Bug: 362658565
Test: m
Change-Id: I47d95795fe030a2e0fac5a29d92ac91d2892c360
4 files changed