Don't erase key from s_new_ce_keys on eviction am: 0798ed54 am: 5c04a603 am: a5c24c9b

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2777078



Change-Id: I1ad69037eee1e20549eba3e878781994313c079b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>