Added more battery charging pngs to make the animation smoother

Patchset 2: This should fix it. Edited the frameworks side of the charging xml.
Patchset 3: Added regular battery icons for consistency
Patchset 4: Turns out nobody supports charging animations. So, wrote my own. Bam.
Patchset 5: Made the animation slower. Revamped the charging icons. Found a more efficient way of scaling the images for better quality.
Patchset 6: DHO, you silly.
Patchset 7: Per request of Overlord Prime, the animations now animate in response to the current battery level. I also slowed down the animations some more

Change-Id: I73ea44f8259b5a23d4594dfb2877cae869da07b9
Merge "Added more battery charging pngs to make the animation smoother" into jb42