tizen: Align to default for PROXY feature (on)
tizen: Align to default for PROXY feature (on)

Match value in build_common/SConscript

Bug: https://jira.iotivity.org/browse/IOT-2241
Change-Id: Ic21e1579b9960611b0a8e5a24dc5214152a3107c
Origin: https://gerrit.iotivity.org/gerrit/#/c/23281/
Signed-off-by: Philippe Coval <ff46fec9739d31cce915aabcc3a7a2c00eee4d6c@osg.samsung.com>

iotivity/iotivity,iotivity/iotivity,rzr/iotivity,rzr/iotivity,rzr/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,rzr/iotivity,iotivity/iotivity,rzr/iotivity,rzr/iotivity,iotivity/iotivity,rzr/iotivity,iotivity/iotivity