Ports chunking/cdc from gmscore to AOSP.

Some additional changes (apart from the regular style modifications)
were needed:
- Guava crypto methods are replaced by their javax equivalents.
- Preconditions checks now depend on com.android.util rather than Guava.

Bug: 111386661,116575321
Test: atest RunFrameworksServicesRoboTests
Change-Id: I43f92f1c0fb3acf62469712d8db212f94429116c