Be compatible with new google test

1. Remove the use of ::std::tr1
2. arg in matcher become const.

Test: compile
Change-Id: Iba7cdc568b55f436b695e3fb39c1b0975d983ae8
diff --git a/cmds/dumpsys/tests/dumpsys_test.cpp b/cmds/dumpsys/tests/dumpsys_test.cpp
index 16fefe6..221572d 100644
--- a/cmds/dumpsys/tests/dumpsys_test.cpp
+++ b/cmds/dumpsys/tests/dumpsys_test.cpp
@@ -73,7 +73,7 @@
     explicit WriteOnFdAction(const std::string& output) : output_(output) {
     }
     virtual Result Perform(const ArgumentTuple& args) {
-        int fd = ::std::tr1::get<0>(args);
+        int fd = ::testing::get<0>(args);
         android::base::WriteStringToFd(output_, fd);
     }