Keystore SPI: Fix typos.

Test: None
Change-Id: Iba25385b42db8059cc0811e99463e01acb98e00f

keystore/java/android/security/keystore/AndroidKeyStoreSecretKeyFactorySpi.java

@@ -177,7 +177,7 @@ public class AndroidKeyStoreSecretKeyFactorySpi extends SecretKeyFactorySpi {
                 && (keymasterSwEnforcedUserAuthenticators == 0);
         boolean userAuthenticationValidWhileOnBody =
                 keyCharacteristics.hwEnforced.getBoolean(KeymasterDefs.KM_TAG_ALLOW_WHILE_ON_BODY);
-        boolean trustedUserPresenceRequred =
+        boolean trustedUserPresenceRequired =
                 keyCharacteristics.hwEnforced.getBoolean(
                     KeymasterDefs.KM_TAG_TRUSTED_USER_PRESENCE_REQUIRED);
 
@@ -209,7 +209,7 @@ public class AndroidKeyStoreSecretKeyFactorySpi extends SecretKeyFactorySpi {
                 keymasterHwEnforcedUserAuthenticators,
                 userAuthenticationRequirementEnforcedBySecureHardware,
                 userAuthenticationValidWhileOnBody,
-                trustedUserPresenceRequred,
+                trustedUserPresenceRequired,
                 invalidatedByBiometricEnrollment,
                 userConfirmationRequired);
     }

keystore/java/android/security/keystore/KeyStoreCryptoOperationUtils.java

@@ -48,7 +48,7 @@ abstract class KeyStoreCryptoOperationUtils {
             return null;
         }
 
-        // An error occured. However, some errors should not lead to init throwing an exception.
+        // An error occurred. However, some errors should not lead to init throwing an exception.
         // See below.
         InvalidKeyException e =
                 keyStore.getInvalidKeyException(key.getAlias(), key.getUid(), beginOpResultCode);