Revert "Camera: Temporarily add @UnsupportedAppUsage to various Key things."

This reverts commit 60331e278dcd918e9be91313b06bb44ed6dd0e08.

Reason for revert: Not needed after issue was fixed.

Bug: 126901248
Change-Id: I8955caf9ab7851ada8c4830e73e51f8bbdfffca9
2 files changed