Convert uiautomator-stubs-docs to use metalava

Update current.txt and removed.txt to be created with metalava.

Test: m android_uiautomator
Test: m uiautomator-stubs-docs
Test: m checkapi
Bug: 144248501
Bug: 143136634
Change-Id: Ie1c52530dd03a05e244ebfd47bf9acf4448c5794
3 files changed