Make the boot image always multi-image.

Deprecate the --multi-image option.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Test: Pixel 2 XL boots.
Test: m test-art-target-gtest
Test: testrunner.py --target --optimizing
Bug: 77856493
Change-Id: I01fd02341cb4dc4fa75a388071694b51ba0bc5f7
diff --git a/test/run-test b/test/run-test
index c6b88dc..4a4a64c 100755
--- a/test/run-test
+++ b/test/run-test
@@ -156,7 +156,6 @@
 always_clean="no"
 never_clean="no"
 have_image="yes"
-multi_image_suffix=""
 android_root="/system"
 bisection_search="no"
 suspend_timeout="500000"
@@ -201,9 +200,6 @@
     elif [ "x$1" = "x--no-image" ]; then
         have_image="no"
         shift
-    elif [ "x$1" = "x--multi-image" ]; then
-        multi_image_suffix="-multi"
-        shift
     elif [ "x$1" = "x--relocate" ]; then
         relocate="yes"
         shift
@@ -587,12 +583,12 @@
 elif [ "$runtime" = "art" ]; then
     if [ "$target_mode" = "no" ]; then
         guess_host_arch_name
-        run_args="${run_args} --boot ${ANDROID_HOST_OUT}/framework/core${image_suffix}${multi_image_suffix}.art"
+        run_args="${run_args} --boot ${ANDROID_HOST_OUT}/framework/core${image_suffix}.art"
         run_args="${run_args} --runtime-option -Djava.library.path=${ANDROID_HOST_OUT}/lib${suffix64}:${ANDROID_HOST_OUT}/nativetest${suffix64}"
     else
         guess_target_arch_name
         run_args="${run_args} --runtime-option -Djava.library.path=/data/nativetest${suffix64}/art/${target_arch_name}"
-        run_args="${run_args} --boot /data/art-test/core${image_suffix}${multi_image_suffix}.art"
+        run_args="${run_args} --boot /data/art-test/core${image_suffix}.art"
     fi
     if [ "$relocate" = "yes" ]; then
       run_args="${run_args} --relocate"
@@ -731,8 +727,6 @@
         echo "    --dex2oat-swap        Use a dex2oat swap file."
         echo "    --instruction-set-features [string]"
         echo "                          Set instruction-set-features for compilation."
-        echo "    --multi-image         Use a set of images compiled with dex2oat multi-image for"
-        echo "                          the boot class path."
         echo "    --quiet               Don't print anything except failure messages"
         echo "    --bisection-search    Perform bisection bug search."
         echo "    --vdex                Test using vdex as in input to dex2oat. Only works with --prebuild."