frameworks_native: Add back PixelFormatInfo

 Author:    Menno van Grinsven <scanno71@gmail.com>

Change-Id: I8c7e9de0cbe374ed4ace51478c2f78d9bba5f9b0
Native: re-add dalvik and hwui mk files

Change-Id: Ie201c18cfcd1fbdacb0718178aedb7a86783b509
Merge branch 'android-5.0' of https://github.com/omnirom/android_frameworks_native into android-5.0