Add symlinks to Roboto-(Regular|Bold).ttf

Install DroidSans.ttf and DroidSans-Bold.ttf as symlinks for backward
compatibility.

Bug: 157537895
Test: m Roboto-Regular.ttf Roboto-Bold.ttf
Test: # system/fonts/DroidSans.ttf -> Roboto-Regular.ttf
Test: # system/fonts/DroidSans-Bold.ttf -> Roboto-Bold.ttf
Change-Id: I77bea2b26f33fa6734f933635a25f463ed79e597
1 file changed