Updates to 3D gallery source.
Fix hardcoded date/time formats in 3D Gallery.
Also fix the ellipsis and dot characters to use \u escapes instead of
whatever 8-bit encoding it was using before that would cause it to
display the "missing glyph" symbol instead of what it wanted.
http://b/issue?id=
2290125
Updates to 3D Gallery.
Hopefully fix the build.
Initial commit of 3D gallery source code to project.