tree e528b9b2f5d1f04868ebbd1ed03dc06c2ea7d839
parent cab78e6e2b179529535c99800f0e84d6c26619cc
author Tiem Song <tiem@google.com> 1565909623 -0700
committer Tiem Song <tiem@google.com> 1565909623 -0700

Add blueprint file for the switcher script

This enables the build system to use the switcher script (switcher4.py)
for builds.

Bug: 128540915
Test: N/A
Change-Id: I7bfe3161bf3da8f19c504fcb7edc08f0cc9e26e7