audio: Fix clang warnings

Generally these warnings come from -Wformat

Test: compiles
Bug: 324511705
Change-Id: I6129b0793e2aa85e9a2b407c473c766f61122d1b
diff --git a/services/audiopolicy/service/Spatializer.cpp b/services/audiopolicy/service/Spatializer.cpp
index d85ac57..dbc48ae 100644
--- a/services/audiopolicy/service/Spatializer.cpp
+++ b/services/audiopolicy/service/Spatializer.cpp
@@ -887,7 +887,7 @@
                     spatializerMode = HeadTracking::Mode::RELATIVE_SCREEN;
                     break;
                 default:
-                    LOG_ALWAYS_FATAL("Unknown mode: %d", mode);
+                    LOG_ALWAYS_FATAL("Unknown mode: %d", static_cast<int>(mode));
             }
         }
         mActualHeadTrackingMode = spatializerMode;