Handle .capex files in the chroot setup.

Test: m installclean && \
      art/tools/buildbot-build.sh --target && \
      art/tools/buildbot-teardown-device.sh && \
      art/tools/buildbot-cleanup-device.sh && \
      art/tools/buildbot-setup-device.sh && \
      art/tools/buildbot-sync.sh
  where Conscrypt is a source built capex
Test: rm -r $ANDROID_PRODUCT_OUT/system/apex/com.android.conscrypt && \
      art/tools/buildbot-teardown-device.sh && \
      art/tools/buildbot-cleanup-device.sh && \
      art/tools/buildbot-setup-device.sh && \
      art/tools/buildbot-sync.sh
Bug: 173713185
Change-Id: Ia6a7dc9618e7512011ab78814dfa6e4a5de0dd3b
2 files changed