Improve document rename experience
    - Initially select the name of the file without extension
    - Trigger renaming action when software keyboard Done button pressed
    - Trigger creating new directory when software kayboard Done button pressed

Bug: 26954407
Change-Id: I700d5beacdb98eb0699bbdd4f4bbcafcc1a67e83
(cherry picked from commit 953498df13ff05f189a6de750093e322250a6659)
2 files changed