Enable app image startup cache for preopted apps

To get performance benefits here for apps that aren't installed
through the play store.

Bug: 130217075
Bug: 131310042
Test: make

(cherry picked from commit 8910722e71)

Merged-In: I46dc3e4a588be52f359577ca1f0fd2dcd440c4bf
Change-Id: Ia98c4e5447b63f6362a4bd5c617a518784f0ef53

dexpreopt/dexpreopt.go

@@ -461,6 +461,9 @@ func dexpreoptCommand(ctx android.PathContext, global GlobalConfig, module Modul
 		appImageInstallPath := pathtools.ReplaceExtension(odexInstallPath, "art")
 		cmd.FlagWithOutput("--app-image-file=", appImagePath).
 			FlagWithArg("--image-format=", "lz4")
+		if !global.DontResolveStartupStrings {
+			cmd.FlagWithArg("--resolve-startup-const-strings=", "true")
+		}
 		rule.Install(appImagePath, appImageInstallPath)
 	}