Annotate GpuWorkTracepointTest with RequiresDevice

GpuWorkTracepointTest test requires GPU driver to generate kernel
tracepoint events which should only be tested with real devices,
but not with emulators. Replacing RestrictedBuildTest annotation
with RequiresDevice to correctly indicate this.

Bug: b/352538275
Test: atest GpuWorkTracepointTest
Flag: EXEMPT test fix
Change-Id: I57f5f035a6ea7ac12e6fb6c619385af75defda2a