Add compat symlinks into the Runtime APEX for the ART binaries.

This is a precaution in case there are dependencies on the binaries in the
old location. b/124106384 tracks eliminating them (if any).

Test: Flash and check symlinks are there with adb shell ls -l system/bin
Test: adb shell system/bin/<binary>
Bug: 113373927
Bug: 124106384
Change-Id: Ib4102fe55117611f68184102e68a10ea47de0065
(cherry picked from commit 7f77dbfe64100e31e16e69a5bb5912d50a7c4962)
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index cbbc710..123fdd7 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -42,6 +42,23 @@
 LOCAL_POST_INSTALL_CMD = mkdir -p $(TARGET_OUT)/usr && rm -rf $(TARGET_OUT)/usr/icu
 LOCAL_POST_INSTALL_CMD += ; ln -sf /apex/com.android.runtime/etc/icu $(TARGET_OUT)/usr/icu
 
+# TODO(b/124106384): Clean up compat symlinks for ART binaries.
+ART_BINARIES= \
+  dalvikvm32 \
+  dalvikvm64 \
+  dex2oat \
+  dexdiag \
+  dexdump \
+  dexlist \
+  dexoptanalyzer \
+  oatdump \
+  profman \
+
+$(foreach b,$(ART_BINARIES), \
+  $(eval LOCAL_POST_INSTALL_CMD += \
+    ; ln -sf /apex/com.android.runtime/bin/$(b) $(TARGET_OUT)/bin/$(b)) \
+)
+
 # End of runtime APEX compatibilty.
 
 include $(BUILD_PREBUILT)