Replace (unsigned) short with (u)int16_t.

Bug: 112478838
Test: build with WITH_TIDY=1
Change-Id: I4b81e6287e72bce2d3cb67cacd6220d064818852
diff --git a/logd/LogBufferElement.cpp b/logd/LogBufferElement.cpp
index 2d627b9..19e6d68 100644
--- a/logd/LogBufferElement.cpp
+++ b/logd/LogBufferElement.cpp
@@ -35,7 +35,7 @@
 
 LogBufferElement::LogBufferElement(log_id_t log_id, log_time realtime,
                                    uid_t uid, pid_t pid, pid_t tid,
-                                   const char* msg, unsigned short len)
+                                   const char* msg, uint16_t len)
     : mUid(uid),
       mPid(pid),
       mTid(tid),
@@ -71,7 +71,7 @@
                : 0;
 }
 
-unsigned short LogBufferElement::setDropped(unsigned short value) {
+uint16_t LogBufferElement::setDropped(uint16_t value) {
     // The tag information is saved in mMsg data, if the tag is non-zero
     // save only the information needed to get the tag.
     if (getTag() != 0) {