rename ClatUtils to OffloadUtils

Generated via:
  mv server/ClatUtils.h       server/OffloadUtils.h
  mv server/ClatUtils.cpp     server/OffloadUtils.cpp
  mv server/ClatUtilsTest.cpp server/OffloadUtilsTest.cpp
  sed -i -r 's@ClatUtils@OffloadUtils@g' server/OffloadUtils.cpp
  sed -i -r 's@ClatUtils@OffloadUtils@g' server/OffloadUtilsTest.cpp
  sed -i -r 's@ClatUtils@OffloadUtils@g' server/Android.bp
  sed -i -r 's@ClatUtils@OffloadUtils@g' server/ClatdController.cpp

+ sort Android.bp
+ sort include order in server/ClatdController.cpp

Test: build, atest
  'find | egrep ClatUtils' and 'git grep ClatUtils' come up empty
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I33dbfab8241fd378d1d6ab44843bdae17196e2d1
diff --git a/server/Android.bp b/server/Android.bp
index 2424f08..d044d88 100644
--- a/server/Android.bp
+++ b/server/Android.bp
@@ -71,7 +71,6 @@
     srcs: [
         "BandwidthController.cpp",
         "ClatdController.cpp",
-        "ClatUtils.cpp",
         "Controllers.cpp",
         "NetdConstants.cpp",
         "FirewallController.cpp",
@@ -82,6 +81,7 @@
         "NetlinkCommands.cpp",
         "NetlinkListener.cpp",
         "NetlinkManager.cpp",
+        "OffloadUtils.cpp",
         "RouteController.cpp",
         "SockDiag.cpp",
         "StrictController.cpp",
@@ -222,7 +222,6 @@
     srcs: [
         "BandwidthControllerTest.cpp",
         "ClatdControllerTest.cpp",
-        "ClatUtilsTest.cpp",
         "ControllersTest.cpp",
         "FirewallControllerTest.cpp",
         "IdletimerControllerTest.cpp",
@@ -230,6 +229,7 @@
         "IptablesBaseTest.cpp",
         "IptablesRestoreControllerTest.cpp",
         "NFLogListenerTest.cpp",
+        "OffloadUtilsTest.cpp",
         "RouteControllerTest.cpp",
         "SockDiagTest.cpp",
         "StrictControllerTest.cpp",