Color management, the missing pieces

Implement missing color management pieces for bitmaps:

- Bitmap.createBitmap(Bitmap src, ...) now creates a bitmap
  in the same color space as the source bitmap
- Bitmap.createScaledBitmap() now creates a bitmap in the
  same color space as the source bitmap
- Bitmap.createBitmap(..., ColorSpace colorSpace) to create
  bitmaps in a specific color space
- Fix copy from A8 to F16
- Copying bitmaps in F16 or with a color space does not work,
  it's currently a limitation in Skia

Bug: 36905374
Test: BitmapColorSpaceTest
Change-Id: I0092fe4432511db50daa3a9393389a9db05e0c2a