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/config.go

@@ -59,6 +59,7 @@ type GlobalConfig struct {
 	NeverAllowStripping bool // whether stripping should not be done - used as build time check to make sure dex files are always available
 
 	NoDebugInfo                 bool // don't generate debug info by default
+	DontResolveStartupStrings   bool // don't resolve string literals loaded during application startup.
 	AlwaysSystemServerDebugInfo bool // always generate mini debug info for system server modules (overrides NoDebugInfo=true)
 	NeverSystemServerDebugInfo  bool // never generate mini debug info for system server modules (overrides NoDebugInfo=false)
 	AlwaysOtherDebugInfo        bool // always generate mini debug info for non-system server modules (overrides NoDebugInfo=true)
@@ -301,6 +302,7 @@ func GlobalConfigForTests(ctx android.PathContext) GlobalConfig {
 		GenerateDMFiles:                    false,
 		NeverAllowStripping:                false,
 		NoDebugInfo:                        false,
+		DontResolveStartupStrings:          false,
 		AlwaysSystemServerDebugInfo:        false,
 		NeverSystemServerDebugInfo:         false,
 		AlwaysOtherDebugInfo:               false,

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)
 	}