Use apex/com.android.resolv/lib64/libned_resolv.so by default

netd will use apex/com.android.resolv/lib64/libned_resolv.so to replace
system/lib64/libned_resolv.so.
note:Without disabling selinux, we setenv LD_LIBRARY_PATH in netd.rc but
netd couldn't use libnetd_resolv.so under com.android.resolv/lib64 because
LD_LIBRARY_PATH is ignored when AT_SECURE is on. Directly add path to the
libnetd_resolv apex to /system/etc/ld.config.txt for temporarily.

Bug: 119527674
Test: make; flash; lsof -p $(pidof netd)
Change-Id: I011d2da625151bf43c10497bb84c15f3d8e6ad33
diff --git a/rootdir/etc/ld.config.txt b/rootdir/etc/ld.config.txt
index d3e80c9..de31629 100644
--- a/rootdir/etc/ld.config.txt
+++ b/rootdir/etc/ld.config.txt
@@ -38,7 +38,8 @@
 ###############################################################################
 namespace.default.isolated = true
 
-namespace.default.search.paths  = /system/${LIB}
+namespace.default.search.paths  = /apex/com.android.resolv/${LIB}
+namespace.default.search.paths += /system/${LIB}
 namespace.default.search.paths += /%PRODUCT%/${LIB}
 namespace.default.search.paths += /%PRODUCT_SERVICES%/${LIB}
 
@@ -74,7 +75,8 @@
 namespace.default.permitted.paths += /data
 namespace.default.permitted.paths += /mnt/expand
 
-namespace.default.asan.search.paths  = /data/asan/system/${LIB}
+namespace.default.asan.search.paths  = /apex/com.android.resolv/${LIB}
+namespace.default.asan.search.paths += /data/asan/system/${LIB}
 namespace.default.asan.search.paths +=           /system/${LIB}
 namespace.default.asan.search.paths += /data/asan/product/${LIB}
 namespace.default.asan.search.paths +=           /%PRODUCT%/${LIB}
diff --git a/rootdir/etc/ld.config.vndk_lite.txt b/rootdir/etc/ld.config.vndk_lite.txt
index 7e354ac..21d3642 100644
--- a/rootdir/etc/ld.config.vndk_lite.txt
+++ b/rootdir/etc/ld.config.vndk_lite.txt
@@ -38,13 +38,15 @@
 ###############################################################################
 namespace.default.isolated = false
 
-namespace.default.search.paths  = /system/${LIB}
+namespace.default.search.paths  = /apex/com.android.resolv/${LIB}
+namespace.default.search.paths += /system/${LIB}
 namespace.default.search.paths += /odm/${LIB}
 namespace.default.search.paths += /vendor/${LIB}
 namespace.default.search.paths += /%PRODUCT%/${LIB}
 namespace.default.search.paths += /%PRODUCT_SERVICES%/${LIB}
 
-namespace.default.asan.search.paths  = /data/asan/system/${LIB}
+namespace.default.asan.search.paths  = /apex/com.android.resolv/${LIB}
+namespace.default.asan.search.paths += /data/asan/system/${LIB}
 namespace.default.asan.search.paths +=           /system/${LIB}
 namespace.default.asan.search.paths += /data/asan/odm/${LIB}
 namespace.default.asan.search.paths +=           /odm/${LIB}