Update vpnprofilestore_test to legacykeystore_test in TEST_MAPPING am: a852085282 am: dd911021f1 am: 238ff1d1f2 am: 10d474d3b7

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/thiserror-impl/+/1755594

Change-Id: I4ebe80a127f4364e46aa6f5d9459826e8d3bf211