Restore fast skips.

    document            api      ns linear runtime
      TWEETS    GSON_STREAM  397568 =========
      TWEETS      GSON_SKIP  300058 =======
READER_SHORT    GSON_STREAM   76632 =
READER_SHORT      GSON_SKIP   57796 =
 READER_LONG    GSON_STREAM  894690 =====================
 READER_LONG      GSON_SKIP  565114 =============
3 files changed
tree: e64d2a8fae12dbfc73475329a1f48f84ca29b39b
  1. examples/
  2. extras/
  3. gson/
  4. lib/
  5. metrics/
  6. proto/