Rename Compatibility into support and move it to rev 4.

Change-Id: I16ef0d75760c3605458188a201134bd96983e487
diff --git a/build/sdk.atree b/build/sdk.atree
index 1cc868b..7e0c2a5 100644
--- a/build/sdk.atree
+++ b/build/sdk.atree
@@ -199,18 +199,18 @@
 sdk/files/README_add-ons.txt add-ons/README.txt
 
 ##############################################################################
-# Extra Component: Compatibility
+# Extra Component: Support
 ##############################################################################
 
-development/sdk/compatibility_source.properties                                                   extras/android/compatibility/source.properties
-development/sdk/compatibility_README.txt                                                          extras/android/compatibility/README.txt
-sdk/files/sdk_files_NOTICE.txt                                                                    extras/android/compatibility/NOTICE.txt
-${OUT_DIR}/target/common/obj/PACKAGING/android-support-v4_intermediates/android-support-v4.jar    extras/android/compatibility/v4/android-support-v4.jar
-frameworks/support/v4                                                                             extras/android/compatibility/v4/src
-development/samples/Support4Demos                                                                 extras/android/compatibility/v4/samples/Support4Demos
-${OUT_DIR}/target/common/obj/PACKAGING/android-support-v13_intermediates/android-support-v13.jar  extras/android/compatibility/v13/android-support-v13.jar
-frameworks/support/v13                                                                            extras/android/compatibility/v13/src
-development/samples/Support13Demos                                                                extras/android/compatibility/v13/samples/Support13Demos
+development/sdk/support_source.properties                                                         extras/android/support/source.properties
+development/sdk/support_README.txt                                                                extras/android/support/README.txt
+sdk/files/sdk_files_NOTICE.txt                                                                    extras/android/support/NOTICE.txt
+${OUT_DIR}/target/common/obj/PACKAGING/android-support-v4_intermediates/android-support-v4.jar    extras/android/support/v4/android-support-v4.jar
+frameworks/support/v4                                                                             extras/android/support/v4/src
+development/samples/Support4Demos                                                                 extras/android/support/v4/samples/Support4Demos
+${OUT_DIR}/target/common/obj/PACKAGING/android-support-v13_intermediates/android-support-v13.jar  extras/android/support/v13/android-support-v13.jar
+frameworks/support/v13                                                                            extras/android/support/v13/src
+development/samples/Support13Demos                                                                extras/android/support/v13/samples/Support13Demos
 
 ##############################################################################
 # Tests Component