Android: Allow compiling browser without Java UI

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index ca65fc31caa20734aa0cac0868a30544aa2dc8a7..456a9f626444a962c63ff4996f6cc8981824234d 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -228,6 +228,12 @@
             'toolkit_views%': 0,
           }],
 
+          ['OS=="android"', {
+            # Whether the Java UI is being used (Java infobars and popups, Java native
+            # settings and first run experience, sign-in etc.).
+            'android_java_ui%': 1,
+          }],
+
           # Enable HiDPI on Mac OS, Windows and Linux (including Chrome OS).
           ['OS=="mac" or OS=="win" or OS=="linux"', {
             'enable_hidpi%': 1,
@@ -338,6 +344,7 @@
       'enable_hidpi%': '<(enable_hidpi)',
       'enable_topchrome_md%': '<(enable_topchrome_md)',
       'android_channel%': '<(android_channel)',
+      'android_java_ui%': '<(android_java_ui)',
       'use_goma%': '<(use_goma)',
       'gomadir%': '<(gomadir)',
       'enable_app_list%': '<(enable_app_list)',
@@ -1215,6 +1222,7 @@
     'use_libjpeg_turbo%': '<(use_libjpeg_turbo)',
     'use_system_libjpeg%': '<(use_system_libjpeg)',
     'android_channel%': '<(android_channel)',
+    'android_java_ui%': '<(android_java_ui)',
     'icu_use_data_file_flag%': '<(icu_use_data_file_flag)',
     'gyp_managed_install%': 0,
     'create_standalone_apk%': 1,