Build: Enable minidebuginfo generation

Enable generation of minidebuginfo through dex2oat by default.

Test: m
Test: adb shell cmd package compile -f -a
Change-Id: I70f7a1ca4939e7992ba2a7b607e8ce9bd6e0b918
diff --git a/target/product/runtime_libart.mk b/target/product/runtime_libart.mk
index 829601c..9108ac6 100644
--- a/target/product/runtime_libart.mk
+++ b/target/product/runtime_libart.mk
@@ -87,3 +87,7 @@
     pm.dexopt.ab-ota=speed-profile \
     pm.dexopt.inactive=verify \
     pm.dexopt.shared=speed
+
+# Enable minidebuginfo generation unless overridden.
+PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
+    dalvik.vm.dex2oat-minidebuginfo=true