Change failureaccess packaging to bundle so the OSGi metadata actually gets included.

RELNOTES=n/a

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=219320897

Author: cgdecker

futures/failureaccess/pom.xml

@@ -9,6 +9,7 @@
   </parent>
   <artifactId>failureaccess</artifactId>
   <version>1.0.1</version>
+  <packaging>bundle</packaging>
   <name>Guava InternalFutureFailureAccess and InternalFutures</name>
   <description>
     Contains