Update AImageReader NDK due to ImageReader class change.

- align Image and ImageWriter NDK with SDK. Add another constructor to
  pass hardwareBufferFormat and dataSpace
- fix some typos in the documentations

Bug: 214045472
Bug: 224565065
Test: android.media.misc.cts.NativeImageReaderTest
Change-Id: I85ceb6132ffb4aa2d733b9b50b27c7924512fdcc