Update git submodules

* Update prebuilts/build-tools from branch 'master'
  to a90654571922c5cc35313eda857b68a4058d5679
  - Merge "Add hidl-lint to prebuilts"
  - Add hidl-lint to prebuilts
    
    To run hidl-lint in preupload hooks it needs to be checked in as a
    prebuilt.
    
    Bug: 138119282
    Test: aosp/1093776 + ./build-prebuilts.sh
    Change-Id: I44c1f793885f43deb8bb265bcefe4e24a3304b61
    
1 file changed