Merge "Deprecate get in ILegacyKeystore" into main am: 2bf6d4f5ce

Original change: https://android-review.googlesource.com/c/platform/system/security/+/3139382

Change-Id: I8573902e95eecc6b59e38ffef7d884157c94ddb7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>