Fix component build failure for users of developer_recommended_flags.gypi

BUG=None
NOTRY=true

Review URL: https://codereview.chromium.org/380913002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@282149 0039d316-1c4b-4281-b951-d872f2087c98

build/android/developer_recommended_flags.gypi

@@ -23,15 +23,18 @@
 
 {
   'variables': {
+    'variables': {
+      # Set component to 'shared_library' to enable the component build. This builds native code as
+      # many small shared libraries instead of one monolithic library. This slightly reduces the time
+      # required for incremental builds.
+      'component%': 'shared_library',
+    },
+    'component%': '<(component)',
+
     # When set to 1, only write jni generated files if they've changed. This can prevent unnecessary
     # compiling/linking of native libraries when editing java files.
     'optimize_jni_generation%': 1,
 
-    # Set component to 'shared_library' to enable the component build. This builds native code as
-    # many small shared libraries instead of one monolithic library. This slightly reduces the time
-    # required for incremental builds.
-    'component%': 'shared_library',
-
     # When gyp_managed_install is set to 1, building an APK will install that APK on the connected
     # device(/emulator). To install on multiple devices (or onto a new device), build the APK once
     # with each device attached. This greatly reduces the time required for incremental builds.