Remove androidGetTid.

Bug: 17048545
Change-Id: I93cbb2d7bd18d506b5f5f7f262dd9ac0fca053b4
diff --git a/include/utils/AndroidThreads.h b/include/utils/AndroidThreads.h
index 4eee14d..3c640b6 100644
--- a/include/utils/AndroidThreads.h
+++ b/include/utils/AndroidThreads.h
@@ -73,9 +73,6 @@
 // ------------------------------------------------------------------
 // Extra functions working with raw pids.
 
-// Get pid for the current thread.
-extern pid_t androidGetTid();
-
 #ifdef HAVE_ANDROID_OS
 // Change the priority AND scheduling group of a particular thread.  The priority
 // should be one of the ANDROID_PRIORITY constants.  Returns INVALID_OPERATION
diff --git a/include/utils/Thread.h b/include/utils/Thread.h
index df30611..c867e95 100644
--- a/include/utils/Thread.h
+++ b/include/utils/Thread.h
@@ -71,8 +71,8 @@
             bool        isRunning() const;
 
 #ifdef HAVE_ANDROID_OS
-    // Return the thread's kernel ID, same as the thread itself calling gettid() or
-    // androidGetTid(), or -1 if the thread is not running.
+    // Return the thread's kernel ID, same as the thread itself calling gettid(),
+    // or -1 if the thread is not running.
             pid_t       getTid() const;
 #endif
 
diff --git a/libcutils/sched_policy.c b/libcutils/sched_policy.c
index 9f092d6..12fc734 100644
--- a/libcutils/sched_policy.c
+++ b/libcutils/sched_policy.c
@@ -222,11 +222,9 @@
 
 int get_sched_policy(int tid, SchedPolicy *policy)
 {
-#ifdef HAVE_GETTID
     if (tid == 0) {
         tid = gettid();
     }
-#endif
     pthread_once(&the_once, __initialize);
 
     if (__sys_supports_schedgroups) {
@@ -261,11 +259,9 @@
 
 int set_sched_policy(int tid, SchedPolicy policy)
 {
-#ifdef HAVE_GETTID
     if (tid == 0) {
         tid = gettid();
     }
-#endif
     policy = _policy(policy);
     pthread_once(&the_once, __initialize);
 
diff --git a/libutils/Threads.cpp b/libutils/Threads.cpp
index b09d510..03fde97 100644
--- a/libutils/Threads.cpp
+++ b/libutils/Threads.cpp
@@ -306,15 +306,6 @@
     gCreateThreadFn = func;
 }
 
-pid_t androidGetTid()
-{
-#ifdef HAVE_GETTID
-    return gettid();
-#else
-    return getpid();
-#endif
-}
-
 #ifdef HAVE_ANDROID_OS
 int androidSetThreadPriority(pid_t tid, int pri)
 {