Add full SetThreadPriority support to Windows.

base/threading/platform_thread_android.cc

Index: base/threading/platform_thread_android.cc
diff --git a/base/threading/platform_thread_android.cc b/base/threading/platform_thread_android.cc
index aab4c1917dc9bf1c871267dac63e680b9b935d04..600ae3cb4619ca5fbee575c165ce7ba3e767e746 100644
--- a/base/threading/platform_thread_android.cc
+++ b/base/threading/platform_thread_android.cc
@@ -56,6 +56,12 @@ bool HandleSetThreadPriorityForPlatform(PlatformThreadHandle handle,
   return false;
 }
 
+bool HandleGetThreadPriorityForPlatform(PlatformThreadHandle handle,
+                                        ThreadPriority* priority) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
 }  // namespace internal
 
 void PlatformThread::SetName(const char* name) {