Fix cert-dcl16-c clang-tidy warnings in include.

Bug: 120614316
Test: make with WITH_TIDY=1 DEFAULT_GLOBAL_TIDY_CHECKS=-*,cert-dcl16-c
Change-Id: I7c62e6ff195ca35939da898872b69b0a4da59ec6
diff --git a/include/media/VolumeShaper.h b/include/media/VolumeShaper.h
index a3aaece..79afd6c 100644
--- a/include/media/VolumeShaper.h
+++ b/include/media/VolumeShaper.h
@@ -551,7 +551,7 @@
 
     static int64_t convertTimespecToUs(const struct timespec &tv)
     {
-        return tv.tv_sec * 1000000ll + tv.tv_nsec / 1000;
+        return tv.tv_sec * 1000000LL + tv.tv_nsec / 1000;
     }
 
     // current monotonic time in microseconds.