Merge "Remove mainDexClasses" am: 35035f0682 am: abbf25246d am: 972714a198 am: b4579e99da

Original change: https://android-review.googlesource.com/c/platform/dalvik/+/1833067

Change-Id: I87877505537abccffb05a578d8ac23c1e380c544
tree: d3799e946330fa7296f8878a0066c55a33b3690f
  1. dexgen/
  2. docs/
  3. dx/
  4. opcode-gen/
  5. tools/
  6. Android.bp
  7. CleanSpec.mk
  8. NOTICE
  9. OWNERS