Update vpnprofilestore_test to legacykeystore_test in TEST_MAPPING am: 1943d0ad3d am: effabfc650 am: af2bb72088

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/clap/+/1756435

Change-Id: Iad3195530cc9b182ae04c18ebef635858378a6e3