Migrate keystore2's Rust system library bindings to bionic.

This is purely a port: it does not add or change any functionality
(other than renaming the library).

Bug: 182498247
Test: Use library.
Change-Id: Ice0c07d5afcbdd2029775fd61eb04a6f7058fdcf
diff --git a/keystore2/src/metrics_store.rs b/keystore2/src/metrics_store.rs
index 32067b9..9f535d5 100644
--- a/keystore2/src/metrics_store.rs
+++ b/keystore2/src/metrics_store.rs
@@ -45,11 +45,11 @@
     Storage::Storage as MetricsStorage,
 };
 use anyhow::{Context, Result};
-use keystore2_system_property::{write, PropertyWatcher, PropertyWatcherError};
 use lazy_static::lazy_static;
 use std::collections::HashMap;
 use std::sync::Mutex;
 use std::time::{Duration, SystemTime, UNIX_EPOCH};
+use system_properties::{write, PropertyWatcher, PropertyWatcherError};
 
 // Note: Crash events are recorded at keystore restarts, based on the assumption that keystore only
 // gets restarted after a crash, during a boot cycle.