base

Eliminate uses of Skia's SkDELETE macro

Skia no longer uses these macros internally.  They're now only
provided for backwards compatibility, so remove their uses within
Android.

See thread on skia-discuss:
https://groups.google.com/d/msg/skia-discuss/l9TSgpYCHpU/sNpA1y8YCQAJ

Change-Id: Ia7313f5bbdf4d2d9fb4a10fc5bdc1572e6b84f6c