[automerger skipped] Do not generate a random socket address for RBE if...

[automerger skipped] Do not generate a random socket address for RBE if NOSTART_RBE is set. am: cbe9aa2c am: f251865e -s ours

am skip reason: Change-Id I5872632442c754b597901b7729eed597ee45859f with SHA-1 cbe9aa2c is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/12447246

Change-Id: Ia199b128b47fd2b80093bdb513666aac39d562a6