liblog: use log/log.h when utilizing ALOG macros

Test: compile
Bug: 30465923
Change-Id: Id6d76510819ebd88c3f5003d00d73a0dbe85e943
diff --git a/debuggerd/signal_sender.cpp b/debuggerd/signal_sender.cpp
index 7fe4dee..42a8e77 100644
--- a/debuggerd/signal_sender.cpp
+++ b/debuggerd/signal_sender.cpp
@@ -27,7 +27,7 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
-#include <android/log.h>
+#include <log/log.h>
 
 #include "signal_sender.h"