Revert 270750 "Android: cleans up jni_generator_ptr_type."

Revert 270750 "Android: cleans up jni_generator_ptr_type."
Suspected to cause Android Tests bot failure: http://build.chromium.org/p/chromium.linux/builders/Android%20Tests/builds/13592

> Android: cleans up jni_generator_ptr_type.
> 
> The underlying rule is now "long" by default.
> Mechanical change:
>   git grep -l jni_generator_ptr_type | xargs sed -i /jni_generator_ptr_type/d
> 
> BUG=317523
> TBR=darin@chromium.org
> 
> Review URL: https://codereview.chromium.org/288963002

TBR=bulach@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=270849

[jiayl, 2014-05-15 23:23:57]

Committed patchset #1 manually as r270849.