Workaround actionModeShareDrawable not tinted on API 21

Seems to be an issue in VectorDrawable on API 21
which means that it's tintFilter is not created.
Works fine on API 22 so we'll workaround it by
using our internal rasterized drawable on API <= 21

BUG: 21995588

Change-Id: If36a0d0e779a9adba54ebdc80aabdbaac50bd2ce
4 files changed