Add bss support for inlining BCP DexFiles for single image

This CL extends the .bss metadata section to allow for BCP methods
to be inlined into other DexFiles, even when requiring a bss entry.

Test: ART tests, compiling and launching top 100 apps
Bug: 154012332
Change-Id: Ib541e69a9c52b3fad003d286a5b57060770e1395
14 files changed