Upgrade emulator to emu-master-dev build 7339019 am: 2bdf1a4d99 am: e482a29209 am: 9d5a5d4703

Original change: https://android-review.googlesource.com/c/platform/prebuilts/android-emulator/+/1698022

Change-Id: I7d4091d55f2f56428b10b0f6e33f7766c75f627f