android 在framework改了phonewindowmanager.java编译报错

[pinetum]

phonewindowmanager.java添加了一个函数，编译报错，提示
target Java: requestsync (out/target/common/obj/JAVA_LIBRARIES/requestsync_intermediates/classes)
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
1 error
74 warnings
make[3]: *** [out/target/common/obj/JAVA_LIBRARIES/android.policy_intermediates/classes-full-debug.jar] Error 41
make[3]: *** Waiting for unfinished jobs....
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.

按照mtk的建议，make update-api,结果还是报同样的错误。
好吧，直接把函数干掉 ，里面定义的几个变量，应该没有问题吧，
private static final String ACTION = "org.android.broadcastreceiverregister.SLIDERETURNBACK";
也没有使用 ，再执行make update-api,结果还是报同样的错误。
这到底闹的是那样？各位给点提示？