Revert change to target name

Reverts the test target ArtManagerLocalTests back to ArtServiceTests.
While the target currently only contains tests for the ArtManagerLocal
class it will contain additional files in the future.

Bug: 184717097
Test: atest ArtServiceTests
Change-Id: Ibaf75aa46571b6ec1b0946f7e686c655a0c47b3f
2 files changed