add devicemanager

Signed-off-by: Npengguanqi <pengguanqi@huawei.com>
Change-Id: If764fb1d2dea470f50f3d25c4716b9afc294119c

default.xml

@@ -231,4 +231,5 @@
     <linkfile dest="test/xts/ohos.build" src="build/ohos.build"/>
   </project>
   <project name="prebuilts_aosp_libs" path="prebuilts/aosp_prebuilt_libs"/>
-</manifest>
\ No newline at end of file
+  <project name="device_manager" path="foundation/distributedhardware/devicemanager"/>
+</manifest>