Avoid too long command lines.

build/java.gypi

Index: build/java.gypi
diff --git a/build/java.gypi b/build/java.gypi
index ec8431b92da2e05417a7e716c1eb0d9ad2b69435..1635c71da40db66cfee1a1737cc9089057ec378c 100644
--- a/build/java.gypi
+++ b/build/java.gypi
@@ -153,6 +153,10 @@
             # resources in dependencies can be resolved.
             'all_res_dirs': ['<@(res_input_dirs)',
                              '>@(dependencies_res_input_dirs)',],
+            # Write the inputs list to a file, so that the action command
+            # line won't exceed the OS limits when calculating the checksum
+            # of the list.
+            'inputs_list_file': '>|(inputs_list.<(_target_name).gypcmd >@(_inputs))'
           },
           'inputs': [
             '<(DEPTH)/build/android/gyp/util/build_utils.py',
@@ -179,7 +183,7 @@
             # Add hash of inputs to the command line, so if inputs change
             # (e.g. if a resource if removed), the command will be re-run.
             # TODO(newt): remove this once crbug.com/177552 is fixed in ninja.
-            '--ignore=>!(echo \'>(_inputs)\' | md5sum)',
+            '--ignore=>!(md5sum >(inputs_list_file))',
           ],
         },
         # Generate API 14 resources.