Add `ArtField::GetDeclaringClassDescriptor{,View}()`.

And clean up related `ArtField` and `ArtMethod` functions
for dex file descriptor and name access.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Bug: 338123769
Change-Id: I3bf9c3b6135ea8e6b018ec41c93c847446918169
16 files changed