Set dist_group: "android" for external/apache-http java_sdk_libraries

dist_group replaces owner and the default is going to change, set it
to the current default "android" for external/apache-http
java_sdk_libraries.

Bug: 186723288
Test: m checkbuild
Change-Id: I745a89015e20510bfbe63ae0930523f86bf96f1b
Merged-In: I745a89015e20510bfbe63ae0930523f86bf96f1b
(cherry picked from commit dfaf07afcd1b6e25f09b6a5169f2dbada4e1f20f)

Android.bp

diff --git a/Android.bp b/Android.bp
index 76ee467..0d71a1a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -105,6 +105,7 @@
         // See http://b/119021844 for more details.
         "--subtract-api $(location :frameworks-base-api-current.txt)",
     ],
+    dist_group: "android",
 }
 
 // Make the current.txt available for use by the cts/tests/signature tests.