Bump to xamarin/Java.Interop/main@bc5bcf4f

Changes: dotnet/java-interop@7f1a5ab...bc5bcf4

  * dotnet/java-interop@bc5bcf4f: [Java.Base] Begin binding JDK-11 java.base module (#909)
  * dotnet/java-interop@af91b9c2: [ci] Use descriptive test run titles. (#926)
  * dotnet/java-interop@aae8f251: [Java.Interop.Tools.Generator] Add some enumification helper methods (#866)
  * dotnet/java-interop@111ebca8: [Java.Interop] Treat warnings as errors. (#925)
  * dotnet/java-interop@7a32bb97: [java-source-utils] Transform XML using XSLT (#924)
  * dotnet/java-interop@7f55b2dc: [logcat-parse] Use C# verbatim strings for paths (#927)
  * dotnet/java-interop@2601146b: [java-source-utils] Fix regresion from 77c9c5fa (#923)

Author: jonpryor