merge some changes from C3_BUILDER_WORK to default for better SDK scanning when the SDKManager is loaded.
# plugin_customization.ini
# sets default values for plug-in-specific preferences
# keys are qualified by plug-in id
# e.g., com.example.acmeplugin/myproperty=myvalue
# java.io.Properties file (ISO 8859-1 with "\" escapes)
# "%key" are externalized strings defined in plugin_customization.properties
# This file does not need to be translated.
# specify location of pre-built index
org.eclipse.help.base/productIndex=com.nokia.carbide.cpp