Revert "InMemoryDexClassLoader in ClassLoaderContext follow-up"

This reverts commit 1a1398ec15accbd905d802e1391c8efbd2d80f98.
Bug: 72131483
Reason for revert: Broke class_loader_context_test on target

Change-Id: Iaa51c8e84536638f39e9ca4c420d1e10ae15e270
2 files changed