Fix cpplint whitespace/indent issues

Change-Id: I7c1647f0c39e1e065ca5820f9b79998691ba40b1
diff --git a/runtime/output_stream.h b/runtime/output_stream.h
index aff6bcd..e7f8006 100644
--- a/runtime/output_stream.h
+++ b/runtime/output_stream.h
@@ -26,9 +26,9 @@
 namespace art {
 
 enum Whence {
- kSeekSet = SEEK_SET,
- kSeekCurrent = SEEK_CUR,
- kSeekEnd = SEEK_END,
+  kSeekSet = SEEK_SET,
+  kSeekCurrent = SEEK_CUR,
+  kSeekEnd = SEEK_END,
 };
 
 class OutputStream {
@@ -41,9 +41,9 @@
     return location_;
   }
 
- virtual bool WriteFully(const void* buffer, int64_t byte_count) = 0;
+  virtual bool WriteFully(const void* buffer, int64_t byte_count) = 0;
 
- virtual off_t Seek(off_t offset, Whence whence) = 0;
+  virtual off_t Seek(off_t offset, Whence whence) = 0;
 
  private:
   const std::string location_;