Add property No_dex_container to dexProperies.

This is needed to allow individual apps disable dex container (also
known as "multi-dex") once it has been enabled globally. This property
does not translate to D8 options, it is used only in the build system.

Bug: 341652226
Bug: 329907267
Test: atest CarLauncherTests -- --abi x86_64
Change-Id: I3afda554af93dbb35bb2f4a8032ac0f5ed1df40d

java/dex.go

@@ -91,6 +91,10 @@ type DexProperties struct {
 
 	// Exclude kotlinc generate files: *.kotlin_module, *.kotlin_builtins. Defaults to false.
 	Exclude_kotlinc_generated_files *bool
+
+	// Disable dex container (also known as "multi-dex").
+	// This may be necessary as a temporary workaround to mask toolchain bugs (see b/341652226).
+	No_dex_container *bool
 }
 
 type dexer struct {