Add ENABLE_PRINTING and disable it on Android.

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index b2a7693325d5aeebca6bcfe1d138fed3021ee108..1efa8b0e2b18d2f27427f3130d283c331caa589b 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -473,11 +473,13 @@
           'linux_use_gold_flags%': 0,
         }],
 
-        # Enable automation on platforms other than Android.
+        # Enable automation and printing on platforms other than Android.
         ['OS=="android"', {
           'enable_automation%': 0,
+          'enable_printing%': 0,
         }, {
           'enable_automation%': 1,
+          'enable_printing%': 1,
         }],
 
         # Enable Skia UI text drawing incrementally on different platforms.
@@ -559,6 +561,7 @@
     'test_isolation_mode%': '<(test_isolation_mode)',
     'test_isolation_outdir%': '<(test_isolation_outdir)',
     'enable_automation%': '<(enable_automation)',
+    'enable_printing%': '<(enable_printing)',
     'force_rlz_use_chrome_net%': '<(force_rlz_use_chrome_net)',
     'enable_task_manager%': '<(enable_task_manager)',
     'platformsdk_path%': '<(platformsdk_path)',
@@ -1504,6 +1507,9 @@
       ['enable_automation==1', {
         'defines': ['ENABLE_AUTOMATION=1'],
       }],
+      ['enable_printing==1', {
+        'defines': ['ENABLE_PRINTING=1'],
+      }],
     ],  # conditions for 'target_defaults'
     'target_conditions': [
       ['enable_wexit_time_destructors==1', {