Revert "Add customtabs support lib to extras/android/support/"

This reverts commit 53ad2de7f6677c31eb42dbd117b4857f38fc36f4.

Change-Id: Ia9831d344e6e0b12c55544b02254daae109f09c5
diff --git a/build/sdk.atree b/build/sdk.atree
index ee1e251..f0f7eae 100644
--- a/build/sdk.atree
+++ b/build/sdk.atree
@@ -519,8 +519,6 @@
 frameworks/support/percent/src/.readme                                                             extras/android/support/percent/src/.readme
 ${OUT_DIR}/target/common/obj/PACKAGING/android-support-percent_intermediates/android-support-percent.jar    extras/android/support/percent/libs/android-support-percent.jar
 
-frameworks/support/customtabs/AndroidManifest.xml                                                     extras/android/support/customtabs/AndroidManifest.xml
-${OUT_DIR}/target/common/obj/PACKAGING/android-support-customtabs_intermediates/android-support-customtabs.jar    extras/android/support/customtabs/libs/android-support-customtabs.jar
 ##############################################################################
 # Tests Component
 ##############################################################################