flo_defconfig: enable idletimer netfilter config

Adds netfilter targets
  TARGET_IDLETIMER  b/12479206

Merged the base config from android/configs.
Ignoring other merge changes that were not previously set.

Signed-off-by: Ashish Sharma <ashishsharma@google.com>

arch/arm/configs/flo_defconfig

@@ -150,6 +150,7 @@ CONFIG_NETFILTER_TPROXY=y
 CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
 CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
 CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
+CONFIG_NETFILTER_XT_TARGET_IDLETIMER=y
 CONFIG_NETFILTER_XT_TARGET_LOG=y
 CONFIG_NETFILTER_XT_TARGET_MARK=y
 CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y