Revert "Add context to customization class constructors"

This reverts commit 824c4a9cf9454091ba7d517a2834053a90a38100.

Reason for revert: Potentially breaks presubmit b/174345105

Change-Id: Iafbe7cb7cc70c10f7f0e176fe3925529f59f824b
Bug: 174345105
3 files changed