Dex: Use DexFileContainer instead of begin/size. am: 2bcd3a0a86

Original change: https://android-review.googlesource.com/c/platform/art/+/2402700

Change-Id: I23cfaa3284a952dae2657c225f7b099876d09c17
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>