misc: Fix unused variable warnings

Generated by Gemini.

Bug: 315246135
Test: m com.android.bt
Flag: EXEMPT, dead code removal
Change-Id: I79c16c45b20a8d54322d39cb2d50177b7ece2e27
diff --git a/system/audio_hal_interface/aidl/le_audio_software_aidl.cc b/system/audio_hal_interface/aidl/le_audio_software_aidl.cc
index 0c42c76..d1321d8 100644
--- a/system/audio_hal_interface/aidl/le_audio_software_aidl.cc
+++ b/system/audio_hal_interface/aidl/le_audio_software_aidl.cc
@@ -208,8 +208,6 @@
 }
 
 void LeAudioTransport::SinkMetadataChanged(const sink_metadata_v7_t& sink_metadata) {
-  auto track_count = sink_metadata.track_count;
-
   if (stream_cb_.on_sink_metadata_update_) {
     stream_cb_.on_sink_metadata_update_(sink_metadata);
   }
diff --git a/system/main/shim/acl_api.cc b/system/main/shim/acl_api.cc
index 0bb1941..704f2ba 100644
--- a/system/main/shim/acl_api.cc
+++ b/system/main/shim/acl_api.cc
@@ -46,10 +46,6 @@
   "bluetooth.core.gap.le.privacy.own_address_type.enabled"
 #endif
 
-namespace {
-constexpr char kBtmLogTag[] = "ACL";
-}
-
 void bluetooth::shim::ACL_CreateClassicConnection(const RawAddress& address) {
   Stack::GetInstance()->GetAcl()->CreateClassicConnection(address);
 }
diff --git a/system/profile/avrcp/tests/avrcp_device_fuzz/avrcp_device_fuzz.cc b/system/profile/avrcp/tests/avrcp_device_fuzz/avrcp_device_fuzz.cc
index 9977592..066ebd3 100644
--- a/system/profile/avrcp/tests/avrcp_device_fuzz/avrcp_device_fuzz.cc
+++ b/system/profile/avrcp/tests/avrcp_device_fuzz/avrcp_device_fuzz.cc
@@ -184,7 +184,7 @@
 public:
   FakePlayerSettingsInterface(FuzzedDataProvider* fdp) : mFdp(fdp) {}
   void ListPlayerSettings(ListPlayerSettingsCallback cb) {
-    uint8_t label = mFdp->ConsumeIntegral<uint8_t>();
+    mFdp->ConsumeIntegral<uint8_t>();
     size_t size = mFdp->ConsumeIntegralInRange<uint8_t>(kMinSize, kMaxSize);
     std::vector<PlayerAttribute> attributes;
     for (size_t iter = 0; iter < size; ++iter) {