Fix launcher test symbols

Moving test sources to the main launcher gradle config. UiTestsLibLauncher only contains tapl and the shared lib.

Adding a missing dep on Launcher3 gradle project

Test: Verified all symbols are resolved in QuickstepLauncher.java, Launcher.java and DeviceProfileBaseTest.kt
Bug: 262267728
Change-Id: I6ad75c254e62d1bcc5994feb66bf622cfe384d14