[added] Particle emitter test.

[added] Particle emitter test.

32x32 image
300 particles: 41fps droid, 26fps g1
150 particles: 49fps droid, 41fps g1
80 particles: 52fps droid, 55-60fps g1

64x64 image, rotation, color change
150 particles: 31fps droid, 25fps g1
80 particles: 40fps droid, 37fps g1

128x128 image, scaled to 80x80, rotation, color change
150 particles: 13fps droid, 11fps g1
80 particles: 46fps droid, 55-60fps g1

128x128, scaled to 256x256, rotation, color change
10 particles: droid 38fps, g1 37fps
10 particles: droid 46fps, g1 55-60fps