Propagate SourceDebugExtension information

Add support for propagating SourceDebugExtension information from
class files into class annotations in DEX files.

Bug: 30109642
Test: dx/tests/run-test 133-source-debug-extension

(cherry picked from commmit 8507f7e1)

Change-Id: I2b98437c5af417a87a70ee9d98ad6bc75f6c7836