增加HIDL接口manifest后编译报错如下:
FAILED: out/target/product/xxxxxx/obj/PACKAGING/check_vintf_all_intermediates/check_vintf_compatible_log
    checkvintf E 08-10 01:57:34 27721 27721 check_vintf.cpp:554] android.hardware.gnss@1.0::IGnss/default is deprecated in compatibility matrix at FCM Version 5; it should not be served.
    
    checkvintf E 08-10 01:57:34 27721 27721 check_vintf.cpp:554] android.hardware.gnss@1.0::IGnss/default is deprecated in compatibility matrix at FCM Version 5; it should not be served.
    
    checkvintf E 08-10 01:57:34 27721 27721 check_vintf.cpp:554] android.hardware.gnss@1.0::IGnss/default is deprecated in compatibility matrix at FCM Version 5; it should not be served.
    
    checkvintf E 08-10 01:57:34 27721 27721 check_vintf.cpp:554] android.hardware.gnss@1.0::IGnss/default is deprecated in compatibility matrix at FCM Version 5; it should not be served.: Success
    
    INCOMPATIBLE
   
    根据kernel版本,用的是compatibility_matrix.5.xml (FCM Version 5)
    
    而compatibility_matrix.5.xml中定义的gnss version是2.0-1
   
<hal format="hidl" optional="true">
    <name>android.hardware.gnss</name>
    <version>2.0-1</version>
    <interface>
        <name>IGnss</name>
        <instance>default</instance>
    </interface>
</hal>
    有两种解决方法:
    
    1:把gnss service改成用2.0或2.1的版本
    
    2:把compatibility_matrix.5.xml 中2.0-1 改成1.0
   
 
