Baseline: 08070932

Cherry picks:

   + 4fb701ad:
     fix forward for
     https://github.com/bazelbuild/bazel/commit/ceddfb1ece1f8ed7ff8155
     8fa1751e6526df031b. Make sure the use the appropriate check for
     alias + feature flag so trimming does not get applied

Incompatible changes:

  - --incompatible_merge_fixed_and_default_shell_env is flipped to
    true. See #19317 for details.
  - Fails on unknown attributes (even when set to None)

Important changes:

  - Set Android Databinding to v2 and Databinging AndroidX to true
    and remove support for Databinding V1.
  - Added whether or not a FileWrite action's output is executable to
    the aquery results
  - --use_single_jar_apk_builder is removed. It's been a no-op for
    years.
  - JVM options in environment variables JAVA_TOOL_OPTIONS and
    JDK_JAVA_OPTIONS now do not get to the server; use
    --host_jvm_args instead.
  - --remote_download_minimal no longer implies
    --nobuild_runfile_links.
  - attr objects in Starlark now use value equality rather than
    reference
    equality.

This release contains contributions from many people at Google, as well as Benjamin Lee, Benjamin Peterson, Ed Schouten, Fabian Meumertzheim, Keith Smiley, Letu Ren, Mauricio Galindo, Mauricio G, Orion Hodson, Shaygan Hooshyari.