BootAnimation: Use npot textures

If non power of two textures are supported, then use
npot texture for specifying the images supplied by vendor.
This will reduce the memory footprint of the app by a considerable
amount.

Bug: 28865582
Bug: 30040263
Change-Id: I5cef98fb013318d60d8a648041c9665da68c0ff3
2 files changed