Fix up the Mac installer’s Info.plist, build with branding info

chrome/installer/mac/app/Info.plist

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
   <key>CFBundleDevelopmentRegion</key>
   <string>en</string>
   <key>CFBundleExecutable</key>
-  <string>$(EXECUTABLE_NAME)</string>
+  <string>${EXECUTABLE_NAME}</string>
   <key>CFBundleIconFile</key>
   <string></string>
   <key>CFBundleIdentifier</key>
-  <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+  <string>${MAC_INSTALLER_BUNDLE_ID}</string>
   <key>CFBundleInfoDictionaryVersion</key>
   <string>6.0</string>
   <key>CFBundleName</key>
-  <string>$(PRODUCT_NAME)</string>
+  <string>${PRODUCT_INSTALLER_FULLNAME}</string>
   <key>CFBundlePackageType</key>
   <string>APPL</string>
   <key>CFBundleShortVersionString</key>
   <string>1.0</string>
   <key>CFBundleSignature</key>
   <string>????</string>
   <key>CFBundleVersion</key>
   <string>1</string>
   <key>LSMinimumSystemVersion</key>
-  <string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+  <string>${MACOSX_DEPLOYMENT_TARGET}</string>
   <key>NSHumanReadableCopyright</key>
   <string>Copyright © 2016 Google. All rights reserved.</string>
   <key>NSMainNibFile</key>
   <string>MainMenu</string>
   <key>NSPrincipalClass</key>
   <string>NSApplication</string>
   <key>NSAppTransportSecurity</key>
   <dict>
     <key>NSExceptionDomains</key>
     <dict>
       <key>google.com</key>
       <dict>
         <key>NSIncludesSubdomains</key>
         <true/>
         <key>NSTemporaryExceptionAllowsInsecureHTTPLoads</key>
         <true/>
       </dict>
       <key>gvt1.com</key>
       <dict>
         <key>NSIncludesSubdomains</key>
         <true/>
         <key>NSTemporaryExceptionAllowsInsecureHTTPLoads</key>
         <true/>
       </dict>
     </dict>
   </dict>
 </dict>
 </plist>