Address HIDL review comments

Fixes: 127852175

Test: builds
Test: hidl-gen -L hash -r android.hardware:hardware/interfaces android.hardware.biometrics.face@1.0
      hash added to current.txt
Test: make -j56 VtsHalBiometricsFaceV1_0TargetTest

Change-Id: I4a8b6db5824a686ec742ed826ff26e721ff26dc8
diff --git a/biometrics/face/1.0/IBiometricsFace.hal b/biometrics/face/1.0/IBiometricsFace.hal
index cd368fa..180d829 100644
--- a/biometrics/face/1.0/IBiometricsFace.hal
+++ b/biometrics/face/1.0/IBiometricsFace.hal
@@ -59,7 +59,9 @@
      *
      * @param userId A non-negative user identifier that must be unique and
      *     persistent for a given user.
-     * @param storePath filesystem path to the template storage directory.
+     * @param storePath absolute filesystem path to the template storage
+     *     directory. This must be the /data/vendor_de/<user>/facedata
+     *     directory specified by the SeLinux policy.
      */
     @callflow(next={"authenticate", "generateChallenge", "enumerate", "remove"})
     setActiveUser(int32_t userId, string storePath) generates (Status status);
@@ -159,8 +161,8 @@
      * @param enabled True to enable the feature, false to disable.
      * @param hat A valid Hardware Authentication Token, generated as a result
      *     of getChallenge().
-     * @param faceId the ID of the enrollment returned by enroll() for the
-     *     feature to update.
+     * @param faceId the ID of the enrollment returned by onEnrollResult() for
+     *     the feature to update.
      * @return status The status of this method call.
      */
     setFeature(Feature feature, bool enabled, vec<uint8_t> hat, uint32_t faceId)
diff --git a/biometrics/face/1.0/IBiometricsFaceClientCallback.hal b/biometrics/face/1.0/IBiometricsFaceClientCallback.hal
index 969bc68..d7c317d 100644
--- a/biometrics/face/1.0/IBiometricsFaceClientCallback.hal
+++ b/biometrics/face/1.0/IBiometricsFaceClientCallback.hal
@@ -95,13 +95,10 @@
      *
      * @param deviceId A unique id associated with the HAL implementation
      *     service that processed this removal.
-     * @param faceId The id of the face template that was removed.
+     * @param removed A list of ids that were removed.
      * @param userId The active user id for the removed face template.
-     * @param remaining The number of face templates remaining after this
-     *     removal, or 0 if there are no more.
      */
-    oneway onRemoved(uint64_t deviceId, uint32_t faceId, int32_t userId,
-        uint32_t remaining);
+    oneway onRemoved(uint64_t deviceId, vec<uint32_t> removed, int32_t userId);
 
     /**
      * A callback invoked to enumerate all current face templates.
diff --git a/biometrics/face/1.0/vts/functional/VtsHalBiometricsFaceV1_0TargetTest.cpp b/biometrics/face/1.0/vts/functional/VtsHalBiometricsFaceV1_0TargetTest.cpp
index 795a1ae..40961f7 100644
--- a/biometrics/face/1.0/vts/functional/VtsHalBiometricsFaceV1_0TargetTest.cpp
+++ b/biometrics/face/1.0/vts/functional/VtsHalBiometricsFaceV1_0TargetTest.cpp
@@ -104,7 +104,7 @@
         return Return<void>();
     }
 
-    Return<void> onRemoved(uint64_t, uint32_t, int32_t, uint32_t) override {
+    Return<void> onRemoved(uint64_t, const hidl_vec<uint32_t>&, int32_t) override {
         ALOGD("Removed callback called.");
         return Return<void>();
     }
@@ -155,12 +155,9 @@
   public:
     explicit RemoveCallback(int32_t userId) : removeUserId(userId) {}
 
-    Return<void> onRemoved(uint64_t, uint32_t, int32_t userId, uint32_t remaining) override {
+    Return<void> onRemoved(uint64_t, const hidl_vec<uint32_t>&, int32_t userId) override {
         EXPECT_EQ(removeUserId, userId);
         promise.set_value();
-        if (remaining == 0UL) {
-            promise.set_value();
-        }
         return Return<void>();
     }
 
diff --git a/current.txt b/current.txt
index f22d14f..d7edfdb 100644
--- a/current.txt
+++ b/current.txt
@@ -435,8 +435,8 @@
 443659bb9e27221e5da0d16c7a0ecb2dc3a9a03acc8a0b2196b47c50735e2d2e android.hardware.audio.effect@5.0::IVirtualizerEffect
 78fed26a781cdca1b3bcb37520bff705d7764ee81db9cfd37014953c7ad2596e android.hardware.audio.effect@5.0::IVisualizerEffect
 6385b6accab8a544e2ee54ba7bf5aa55dff6153bcedd80fdaae16fe9e0be7050 android.hardware.audio.effect@5.0::types
-baf5a0cbf357035394be02d87334890228338fae715f7ab06e2f0e7d05abe656 android.hardware.biometrics.face@1.0::IBiometricsFace
-6cbf288d6e6a9f6f0c09d1cde66318aa5b6a8c525778a61ccaedddb090f5e9cb android.hardware.biometrics.face@1.0::IBiometricsFaceClientCallback
+e18ff318f3fc43db37f554696dc4e551abb9b119bde53950f73e28ce33a97a40 android.hardware.biometrics.face@1.0::IBiometricsFace
+b6e55d7795bbafd011fb95a3b6d3954bf66c349e14cf107f3b72032ce3ceb448 android.hardware.biometrics.face@1.0::IBiometricsFaceClientCallback
 95aa2f59e29e2f84d8e84320ace9b6682b426a16e897b4bd241375cbee0e07f3 android.hardware.biometrics.face@1.0::types
 ecedc58dbcdb13503c19c0ab160ac1dd0530bb1471164149282dd1463c684185 android.hardware.bluetooth.audio@2.0::IBluetoothAudioPort
 fb9c40e4deab40be5476477078fe3d8a4a4495fd9deef4321878d169d675c633 android.hardware.bluetooth.audio@2.0::IBluetoothAudioProvider