Update vpnprofilestore_test to legacykeystore_test in TEST_MAPPING am: 3707d84bc3 am: c01a2be6cf am: 581079efdb am: 1baf3314c0

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/clang-sys/+/1756436

Change-Id: I29fff5f9e44b4a329abcd79eb31548d19441199f