Remove mediarouter v7 support library from SDK.

Bug: 9425325
Change-Id: I9459fa005c4801cac0c2e28c5afb414620241ad9
diff --git a/build/Android.mk b/build/Android.mk
index 6d798de..028b2f5 100644
--- a/build/Android.mk
+++ b/build/Android.mk
@@ -122,7 +122,6 @@
     android-support-v4 \
     android-support-v7-gridlayout \
     android-support-v7-appcompat \
-    android-support-v7-mediarouter \
     android-support-v13
 
 $(foreach lib, $(ANDROID_SUPPORT_LIBRARIES), $(eval $(call _package_sdk_library,$(lib))))
diff --git a/build/sdk.atree b/build/sdk.atree
index ca79644..de2a524 100644
--- a/build/sdk.atree
+++ b/build/sdk.atree
@@ -269,17 +269,6 @@
 frameworks/support/v7/appcompat/src/.readme                                                       extras/android/support/v7/appcompat/src/.readme
 ${OUT_DIR}/target/common/obj/PACKAGING/android-support-v7-appcompat_intermediates/android-support-v7-appcompat.jar    extras/android/support/v7/appcompat/libs/android-support-v7-appcompat.jar
 
-frameworks/support/v7/mediarouter/README.txt                                                       extras/android/support/v7/mediarouter/README.txt
-frameworks/support/v7/mediarouter/.project                                                         extras/android/support/v7/mediarouter/.project
-frameworks/support/v7/mediarouter/.classpath                                                       extras/android/support/v7/mediarouter/.classpath
-frameworks/support/v7/mediarouter/AndroidManifest.xml                                              extras/android/support/v7/mediarouter/AndroidManifest.xml
-frameworks/support/v7/mediarouter/project.properties                                               extras/android/support/v7/mediarouter/project.properties
-frameworks/support/v7/mediarouter/res                                                              extras/android/support/v7/mediarouter/res
-frameworks/support/v7/mediarouter/src/.readme                                                      extras/android/support/v7/mediarouter/src/.readme
-${OUT_DIR}/target/common/obj/PACKAGING/android-support-v7-mediarouter_intermediates/android-support-v7-mediarouter.jar    extras/android/support/v7/mediarouter/libs/android-support-v7-mediarouter.jar
-
-development/samples/Support7Demos                                                                 extras/android/support/samples/Support7Demos
-
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 # Tests Component
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