[pkg/test_runner] Add QemuConfig entries for compressed architectures.

Change-Id: Ib40185f3e5dd291c6ba9724089a04e696306a7f8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/307801
Commit-Queue: Tess Strickland <[email protected]>
Reviewed-by: William Hesse <[email protected]>

Author: sstrickl

pkg/test_runner/lib/src/runtime_configuration.dart

@@ -254,10 +254,14 @@ class QemuConfig {
         QemuConfig('qemu-i386', ['-L', '/usr/lib/i386-linux-gnu/']),
     Architecture.x64:
         QemuConfig('qemu-x86_64', ['-L', '/usr/lib/x86_64-linux-gnu/']),
+    Architecture.x64c:
+        QemuConfig('qemu-x86_64', ['-L', '/usr/lib/x86_64-linux-gnu/']),
     Architecture.arm:
         QemuConfig('qemu-arm', ['-L', '/usr/arm-linux-gnueabihf/']),
     Architecture.arm64:
         QemuConfig('qemu-aarch64', ['-L', '/usr/aarch64-linux-gnu/']),
+    Architecture.arm64c:
+        QemuConfig('qemu-aarch64', ['-L', '/usr/aarch64-linux-gnu/']),
     Architecture.riscv32:
         QemuConfig('qemu-riscv32', ['-L', '/usr/riscv32-linux-gnu/']),
     Architecture.riscv64: