Remove logging dependency on runtime

Moved the abort backtracing function to runtime, forcing callers to
supply the aborter at InitLogging.  This makes runtime properly layer
on top of logging by removing the cyclic dependency.

Bug: 22322814
Test: test-art-host
Change-Id: I8b2e72174e937bb88fe1bddd6d04b564cfb011a9
diff --git a/runtime/runtime.h b/runtime/runtime.h
index 66fd058..e2ba262 100644
--- a/runtime/runtime.h
+++ b/runtime/runtime.h
@@ -662,6 +662,9 @@
   void AddSystemWeakHolder(gc::AbstractSystemWeakHolder* holder);
   void RemoveSystemWeakHolder(gc::AbstractSystemWeakHolder* holder);
 
+  NO_RETURN
+  static void Aborter(const char* abort_message);
+
  private:
   static void InitPlatformSignalHandlers();