Set the right HIP device before creating base event counter

Without any default device in the current thread, all base events
were associated with device 0, causing failures when used on other
devices. Fix this by calling hipSetDevice before recording the event.

source/adapters/hip/platform.cpp

@@ -77,6 +77,7 @@ urPlatformGet(ur_adapter_handle_t *, uint32_t, uint32_t NumEntries,
             for (auto i = 0u; i < static_cast<uint32_t>(NumDevices); ++i) {
               hipDevice_t Device;
               UR_CHECK_ERROR(hipDeviceGet(&Device, i));
+              UR_CHECK_ERROR(hipSetDevice(i));
               hipEvent_t EvBase;
               UR_CHECK_ERROR(hipEventCreate(&EvBase));