[RenderScript] Remove LOCAL_JACK_ENABLED := disabled
[RenderScript] Remove LOCAL_JACK_ENABLED := disabled

Bug: 27338966

  - Now fw/rs/update_rs_prebuilts.sh explicitly ask JACK to produce the
    jar file for support lib, LOCAL_JACK_ENABLED := disabled is not
    necessary anymore.

Change-Id: I3aa199e86d253106bce7f47ecfc25b17e991e958

androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,aosp-mirror/platform_frameworks_support,androidx/androidx,aosp-mirror/platform_frameworks_support,aosp-mirror/platform_frameworks_support,AndroidX/androidx,androidx/androidx,androidx/androidx,aosp-mirror/platform_frameworks_support