diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
index a8e73fc..2c2011a 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
@@ -45,4 +45,5 @@
   TOO_DARK = 8,
   TOO_BRIGHT = 9,
   IMMOBILE = 10,
+  RETRYING_CAPTURE = 11,
 }
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
index bf11daa..b406947 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
@@ -82,5 +82,11 @@
      * same finger can help against false rejections.
      */
     IMMOBILE,
-}
 
+    /**
+     * This message may be sent to notify the framework that an additional image capture is taking
+     * place. Multiple RETRYING_CAPTURE may be sent before an ACQUIRED_GOOD message is sent.
+     * However, RETRYING_CAPTURE must not be sent after ACQUIRED_GOOD is sent.
+     */
+    RETRYING_CAPTURE,
+}
diff --git a/keymaster/4.1/default/Android.bp b/keymaster/4.1/default/Android.bp
index 3e2289a..6ec1fae 100644
--- a/keymaster/4.1/default/Android.bp
+++ b/keymaster/4.1/default/Android.bp
@@ -45,5 +45,14 @@
         "liblog",
         "libutils",
     ],
+    required: [
+        "android.hardware.hardware_keystore.km41.xml",
+    ],
+}
 
+prebuilt_etc {
+    name: "android.hardware.hardware_keystore.km41.xml",
+    sub_dir: "permissions",
+    vendor: true,
+    src: "android.hardware.hardware_keystore.km41.xml",
 }
diff --git a/keymaster/4.1/default/android.hardware.hardware_keystore.km41.xml b/keymaster/4.1/default/android.hardware.hardware_keystore.km41.xml
new file mode 100644
index 0000000..0dbeed8
--- /dev/null
+++ b/keymaster/4.1/default/android.hardware.hardware_keystore.km41.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<permissions>
+  <feature name="android.hardware.hardware_keystore" version="41" />
+</permissions>
diff --git a/security/keymint/aidl/default/Android.bp b/security/keymint/aidl/default/Android.bp
index f4e403e..ebdc9b7 100644
--- a/security/keymint/aidl/default/Android.bp
+++ b/security/keymint/aidl/default/Android.bp
@@ -39,7 +39,17 @@
     srcs: [
         "service.cpp",
     ],
-    required: ["RemoteProvisioner"],
+    required: [
+        "RemoteProvisioner",
+        "android.hardware.hardware_keystore.xml",
+    ],
+}
+
+prebuilt_etc {
+    name: "android.hardware.hardware_keystore.xml",
+    sub_dir: "permissions",
+    vendor: true,
+    src: "android.hardware.hardware_keystore.xml",
 }
 
 cc_library {
diff --git a/security/keymint/aidl/default/android.hardware.hardware_keystore.xml b/security/keymint/aidl/default/android.hardware.hardware_keystore.xml
new file mode 100644
index 0000000..e5a9345
--- /dev/null
+++ b/security/keymint/aidl/default/android.hardware.hardware_keystore.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<permissions>
+  <feature name="android.hardware.hardware_keystore" version="100" />
+</permissions>
diff --git a/sensors/common/utils/EventMessageQueueWrapper.h b/sensors/common/utils/EventMessageQueueWrapper.h
index c4f92c8..63e4eb0 100644
--- a/sensors/common/utils/EventMessageQueueWrapper.h
+++ b/sensors/common/utils/EventMessageQueueWrapper.h
@@ -33,7 +33,7 @@
 namespace V2_1 {
 namespace implementation {
 
-class EventMessageQueueWrapperBase : public RefBase {
+class EventMessageQueueWrapperBase {
   public:
     virtual ~EventMessageQueueWrapperBase() {}
 
diff --git a/sensors/common/vts/2_X/VtsHalSensorsV2_XTargetTest.h b/sensors/common/vts/2_X/VtsHalSensorsV2_XTargetTest.h
index 8cf5003..47a8cc0 100644
--- a/sensors/common/vts/2_X/VtsHalSensorsV2_XTargetTest.h
+++ b/sensors/common/vts/2_X/VtsHalSensorsV2_XTargetTest.h
@@ -462,6 +462,7 @@
 
     // Wait for events to be written back to the Event FMQ
     callback.waitForEvents(sensors, milliseconds(1000) /* timeout */);
+    getEnvironment()->unregisterCallback();
 
     for (const auto& s : sensors) {
         auto events = callback.getEvents(s.sensorHandle);
@@ -485,7 +486,6 @@
         ASSERT_EQ(lastEvent.u.vec3.status, injectedEvent.u.vec3.status);
     }
 
-    getEnvironment()->unregisterCallback();
     ASSERT_EQ(Result::OK, getSensors()->setOperationMode(OperationMode::NORMAL));
 }
 
@@ -603,7 +603,7 @@
                          << " type=" << static_cast<int>(sensor.type) << " name=" << sensor.name);
 
             Result flushResult = flush(sensor.sensorHandle);
-            ASSERT_EQ(flushResult, expectedResponse);
+            EXPECT_EQ(flushResult, expectedResponse);
         }
     }