[Android] Remove guard that envsetup is sourced.

build/android/envsetup.sh

Index: build/android/envsetup.sh
diff --git a/build/android/envsetup.sh b/build/android/envsetup.sh
index 3e21b306a1d4e9dc4ca8475dd0b8b5c1cf2d9485..23e9c41c00e7dea8d55edc74f04b0eb34d0c7fc4 100755
--- a/build/android/envsetup.sh
+++ b/build/android/envsetup.sh
@@ -9,10 +9,13 @@
 # ANDROID_SDK_BUILD=1 will then be defined and used in the rest of the setup to
 # specifiy build type.
 
-if [ "$_" == "$0" ]; then
-  echo "ERROR: envsetup must be sourced."
-  exit 1
-fi
+# TODO(ilevy): Figure out the right check here. This breaks the webkit build as
+# is since it's sourced from another script:
+# http://build.webkit.org/builders/Chromium%20Android%20Release/builds/34681
+#if [ "$_" == "$0" ]; then
+#  echo "ERROR: envsetup must be sourced."
+#  exit 1
+#fi
 
 # Source functions script.  The file is in the same directory as this script.
 . "$(dirname $BASH_SOURCE)"/envsetup_functions.sh