liblog: logd: logcat: deprecate log/log_read.h

Always used in combination with log/logger.h except in log_time.cpp,
and not used externally.  As a result liblog has to support stl, a
small price to pay since goal is to convert liblog to C++ internally.

Test: compile
Bug: 31456426
Bug: 26552300
Bug: 31289077
Change-Id: I72828ec807d0a2c8e40bbdebd7a69f147a7ca5a9
diff --git a/logd/LogBufferElement.h b/logd/LogBufferElement.h
index e7f88b9..5a60c4d 100644
--- a/logd/LogBufferElement.h
+++ b/logd/LogBufferElement.h
@@ -23,7 +23,7 @@
 
 #include <sysutils/SocketClient.h>
 #include <log/log.h>
-#include <log/log_read.h>
+#include <log/logger.h>
 
 class LogBuffer;