Delete all EOTs in iptables commands and remove fixCommandString.

Test: bullead builds and boots with no iptables errors
Test: netd_{unit,integration}_test pass
Bug: 32323979
Change-Id: I33ad04ee8f0562bcd4e14046352c934cd2039a5d
diff --git a/server/StrictControllerTest.cpp b/server/StrictControllerTest.cpp
index b0489bb..c0c8839 100644
--- a/server/StrictControllerTest.cpp
+++ b/server/StrictControllerTest.cpp
@@ -45,7 +45,7 @@
         ":st_penalty_reject -",
         ":st_clear_caught -",
         ":st_clear_detect -",
-        "COMMIT\n\x04"
+        "COMMIT\n"
     };
 
     std::vector<std::string> v4 = {
@@ -69,7 +69,7 @@
         "-A st_clear_detect -p tcp -m state --state ESTABLISHED -m u32 --u32 "
             "\"0>>22&0x3C@ 12>>26&0x3C@ 0&0x0=0x0\" -j st_clear_caught",
         "-A st_clear_detect -p udp -j st_clear_caught",
-        "COMMIT\n\x04"
+        "COMMIT\n"
     };
 
     std::vector<std::string> v6 = {
@@ -94,7 +94,7 @@
         "-A st_clear_detect -p tcp -m state --state ESTABLISHED -m u32 --u32 "
             "\"52>>26&0x3C@ 40&0x0=0x0\" -j st_clear_caught",
         "-A st_clear_detect -p udp -j st_clear_caught",
-        "COMMIT\n\x04"
+        "COMMIT\n"
     };
 
     std::string commandsCommon = android::base::Join(common, '\n');
@@ -119,6 +119,6 @@
         ":st_penalty_reject -\n"
         ":st_clear_caught -\n"
         ":st_clear_detect -\n"
-        "COMMIT\n\x04";
+        "COMMIT\n";
     expectIptablesRestoreCommands({ expected });
 }