Remove unused KeyStore field in RecoverableKeyStoreManager

Test: runtest frameworks-services -p \
      com.android.server.locksettings.recoverablekeystore
Bug: 74944591

Change-Id: Ibe0167adb103beded9eb0138825f4a975f12c29e
diff --git a/services/core/java/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManager.java b/services/core/java/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManager.java
index 30125f8..8a79e4c 100644
--- a/services/core/java/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManager.java
+++ b/services/core/java/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManager.java
@@ -100,7 +100,6 @@
     private final RecoverableKeyGenerator mRecoverableKeyGenerator;
     private final RecoverySnapshotStorage mSnapshotStorage;
     private final PlatformKeyManager mPlatformKeyManager;
-    private final KeyStore mKeyStore;
     private final ApplicationKeyStorage mApplicationKeyStorage;
 
     /**
@@ -126,7 +125,6 @@
 
             mInstance = new RecoverableKeyStoreManager(
                     context.getApplicationContext(),
-                    keystore,
                     db,
                     new RecoverySessionStorage(),
                     Executors.newSingleThreadExecutor(),
@@ -141,7 +139,6 @@
     @VisibleForTesting
     RecoverableKeyStoreManager(
             Context context,
-            KeyStore keystore,
             RecoverableKeyStoreDb recoverableKeyStoreDb,
             RecoverySessionStorage recoverySessionStorage,
             ExecutorService executorService,
@@ -150,7 +147,6 @@
             PlatformKeyManager platformKeyManager,
             ApplicationKeyStorage applicationKeyStorage) {
         mContext = context;
-        mKeyStore = keystore;
         mDatabase = recoverableKeyStoreDb;
         mRecoverySessionStorage = recoverySessionStorage;
         mExecutorService = executorService;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java
index f5f5027..18a3885 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java
@@ -189,7 +189,6 @@
 
         mRecoverableKeyStoreManager = new RecoverableKeyStoreManager(
                 mMockContext,
-                KeyStore.getInstance(),
                 mRecoverableKeyStoreDb,
                 mRecoverySessionStorage,
                 Executors.newSingleThreadExecutor(),