bug:3297328 set download destination dir to /sdcard/Download

downlaoded files should go into /sdcard/Download, like they used to
in GB and earlier.
But a minor difference in the download dir name:
it used to be /sdcard/download in before HC
/sdcard/Download in HC

how serious is this difference?

Change-Id: Ib56d8ee6a1393fd781399281be98b8c52831ebe1
2 files changed