diff --git a/automotive/audiocontrol/aidl/default/audiocontrol-default.xml b/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
index e82f6fa..3452ae9 100644
--- a/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
+++ b/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
@@ -1,5 +1,6 @@
 <manifest version="2.0" type="device">
     <hal format="aidl">
+        <version>2</version>
         <name>android.hardware.automotive.audiocontrol</name>
         <fqname>IAudioControl/default</fqname>
     </hal>
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
index b46b62c..1777f77 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
@@ -503,6 +503,16 @@
 void BluetoothAudioSession::ReportLowLatencyModeAllowedChanged(bool allowed) {
   std::lock_guard<std::recursive_mutex> guard(mutex_);
   low_latency_allowed_ = allowed;
+  // TODO(b/294498919): Remove this after there is API to update latency mode
+  // after audio session started. If low_latency_allowed_ is true, the session
+  // can support LOW_LATENCY and FREE LatencyMode.
+  if (low_latency_allowed_) {
+    if (std::find(latency_modes_.begin(), latency_modes_.end(),
+                  LatencyMode::LOW_LATENCY) == latency_modes_.end()) {
+      LOG(INFO) << __func__ << " - insert LOW_LATENCY LatencyMode";
+      latency_modes_.push_back(LatencyMode::LOW_LATENCY);
+    }
+  }
   if (observers_.empty()) {
     LOG(WARNING) << __func__ << " - SessionType=" << toString(session_type_)
                  << " has NO port state observer";
diff --git a/compatibility_matrices/compatibility_matrix.7.xml b/compatibility_matrices/compatibility_matrix.7.xml
index 33c3148..e20fcec 100644
--- a/compatibility_matrices/compatibility_matrix.7.xml
+++ b/compatibility_matrices/compatibility_matrix.7.xml
@@ -43,6 +43,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.automotive.audiocontrol</name>
+        <version>1-2</version>
         <interface>
             <name>IAudioControl</name>
             <instance>default</instance>
diff --git a/compatibility_matrices/compatibility_matrix.8.xml b/compatibility_matrices/compatibility_matrix.8.xml
index 41d7ed1..09d3fda 100644
--- a/compatibility_matrices/compatibility_matrix.8.xml
+++ b/compatibility_matrices/compatibility_matrix.8.xml
@@ -62,6 +62,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.automotive.audiocontrol</name>
+        <version>2</version>
         <interface>
             <name>IAudioControl</name>
             <instance>default</instance>
diff --git a/compatibility_matrices/compatibility_matrix.9.xml b/compatibility_matrices/compatibility_matrix.9.xml
index f616bdb..77e5cb4 100644
--- a/compatibility_matrices/compatibility_matrix.9.xml
+++ b/compatibility_matrices/compatibility_matrix.9.xml
@@ -70,6 +70,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.automotive.audiocontrol</name>
+        <version>2</version>
         <interface>
             <name>IAudioControl</name>
             <instance>default</instance>
diff --git a/compatibility_matrices/exclude/fcm_exclude.cpp b/compatibility_matrices/exclude/fcm_exclude.cpp
index ccce449..cfc8345 100644
--- a/compatibility_matrices/exclude/fcm_exclude.cpp
+++ b/compatibility_matrices/exclude/fcm_exclude.cpp
@@ -24,9 +24,7 @@
 namespace android::vintf::details {
 
 // The predicate to VintfObject::checkMissingHalsInMatrices.
-bool ShouldCheckMissingHalsInFcm(const std::string& package) {
-    using std::placeholders::_1;
-
+bool ShouldCheckMissingHidlHalsInFcm(const std::string& packageAndVersion) {
     static std::vector<std::string> included_prefixes{
             // Other AOSP HALs (e.g. android.frameworks.*) are not added because only framework
             // matrix is checked.
@@ -51,28 +49,11 @@
             "android.hardware.media.bufferpool@1.0",
             "android.hardware.media.bufferpool@2.0",
             "android.hardware.radio.config@1.2",
-            // AIDL
-            "android.hardware.audio.common",
-            "android.hardware.audio.core.sounddose",
-            "android.hardware.biometrics.common",
-            "android.hardware.camera.metadata",
-            "android.hardware.camera.device",
-            "android.hardware.camera.common",
-            "android.hardware.common",
-            "android.hardware.common.fmq",
-            "android.hardware.graphics.common",
-            "android.hardware.input.common",
-            "android.hardware.keymaster",
-            "android.hardware.media.bufferpool2",
-            "android.hardware.radio",
-            "android.hardware.uwb.fira_android",
 
             // Fastboot HAL is only used by recovery. Recovery is owned by OEM. Framework
             // does not depend on this HAL, hence it is not declared in any manifests or matrices.
             "android.hardware.fastboot@1.0",
             "android.hardware.fastboot@1.1",
-            // Fastboot AIDL
-            "android.hardware.fastboot",
 
             // Deprecated HALs.
             // HIDL
@@ -106,6 +87,60 @@
     };
 
     auto package_has_prefix = [&](const std::string& prefix) {
+        return android::base::StartsWith(packageAndVersion, prefix);
+    };
+
+    // Only check packageAndVersions that are in the include list and not in the exclude list.
+    if (!std::any_of(included_prefixes.begin(), included_prefixes.end(), package_has_prefix)) {
+        return false;
+    }
+
+    if (std::find(excluded_exact.begin(), excluded_exact.end(), packageAndVersion) !=
+        excluded_exact.end()) {
+        return false;
+    }
+
+    return !std::any_of(excluded_prefixes.begin(), excluded_prefixes.end(), package_has_prefix);
+}
+
+// The predicate to VintfObject::checkMissingHalsInMatrices.
+bool ShouldCheckMissingAidlHalsInFcm(const std::string& package) {
+    static std::vector<std::string> included_prefixes{
+            // Other AOSP HALs (e.g. android.frameworks.*) are not added because only framework
+            // matrix is checked.
+            "android.hardware.",
+    };
+
+    static std::vector<std::string> excluded_prefixes{
+            // Test packages are exempted.
+            "android.hardware.tests.",
+    };
+
+    static std::vector<std::string> excluded_exact{
+            // Packages without top level interfaces (including types-only packages) are exempted.
+
+            // AIDL
+            "android.hardware.audio.common",
+            "android.hardware.audio.core.sounddose",
+            "android.hardware.biometrics.common",
+            "android.hardware.camera.metadata",
+            "android.hardware.camera.device",
+            "android.hardware.camera.common",
+            "android.hardware.common",
+            "android.hardware.common.fmq",
+            "android.hardware.graphics.common",
+            "android.hardware.input.common",
+            "android.hardware.keymaster",
+            "android.hardware.media.bufferpool2",
+            "android.hardware.radio",
+            "android.hardware.uwb.fira_android",
+
+            // Fastboot HAL is only used by recovery. Recovery is owned by OEM. Framework
+            // does not depend on this HAL, hence it is not declared in any manifests or matrices.
+            "android.hardware.fastboot",
+    };
+
+    auto package_has_prefix = [&](const std::string& prefix) {
         return android::base::StartsWith(package, prefix);
     };
 
diff --git a/compatibility_matrices/exclude/include/vintf/fcm_exclude.h b/compatibility_matrices/exclude/include/vintf/fcm_exclude.h
index f74c217..9ee057b 100644
--- a/compatibility_matrices/exclude/include/vintf/fcm_exclude.h
+++ b/compatibility_matrices/exclude/include/vintf/fcm_exclude.h
@@ -25,6 +25,7 @@
 // |package| can be a HIDL package and version like
 // "android.hardware.foo@1.0", or an AIDL package name like
 // "android.hardware.foo".
-bool ShouldCheckMissingHalsInFcm(const std::string& package);
+bool ShouldCheckMissingHidlHalsInFcm(const std::string& packageAndVersion);
+bool ShouldCheckMissingAidlHalsInFcm(const std::string& package);
 
 }  // namespace android::vintf::details