Adding Build Time Analyzer flags for Cocoapod dependencies

Podfile

# Adding Build Time Analyzer compatibility
post_install do |installer|
  installer.pods_project.targets.each do |target|
    target.build_configurations.each do |config|
      other_swift_flags = config.build_settings['OTHER_SWIFT_FLAGS'] || ['$(inherited)']
      other_swift_flags << '-Xfrontend'
      other_swift_flags << '-debug-time-function-bodies'
      config.build_settings['OTHER_SWIFT_FLAGS'] = other_swift_flags
    end
  end
end