vndk-def: Add special cases for libclang_rt libs

This commit add special cases for `libclang_rt-asan-$arch-android.so`
and `libclang_rt-ubsan_standalone-$arch-android.so` because their lib
names may vary between architectures.

This commit also removes `--delete-removed-entries`.  It is enabled by
default now.

Bug: 77781837
Test: update_dataset.py --make-vars ... --module-info ... [in] -o [out]
Change-Id: I256be1ee628b5143ba10441fb501655721b85d37