Pass /system/etc/updatable-bcp-packages.txt to dex2oat.

(cherry picked from commit 09e885dc)

Test: aosp_taimen-userdebug boots.
Test: Check logcat for the new argument in the dex2oat
      invocations that happen on first boot.
Bug: 151314205
Merged-In: Id2a14c3810897ead213238b63aee5ff180b56397
Change-Id: I68c85dc008d6be072686c5699e276c630cf0113a