Revert^2 "Generate boot image profiles even if dexpreopt is disabled."

Revert submission 2580631-revert-2574032-XXTWCJDTDQ

Reason for revert: Fixed build breakages

Reverted changes: /q/submissionid:2580631-revert-2574032-XXTWCJDTDQ

Bug: 280440941
Test: lunch aosp_cf_riscv64_minidroid-userdebug && m UNSAFE_DISABLE_HIDDENAPI_FLAGS=true dist
Test: Disable dex2oat on host (to simulate macOS) and build
Change-Id: I5f7f746ca1d4da660fe0c40115e6c71750dfdccc

dexpreopt/testing.go

@@ -174,3 +174,10 @@ func FixtureDisableGenerateProfile(disable bool) android.FixturePreparer {
 		dexpreoptConfig.DisableGenerateProfile = disable
 	})
 }
+
+// FixtureDisableDexpreoptBootImages sets the DisablePreoptBootImages property in the global config.
+func FixtureDisableDexpreoptBootImages(disable bool) android.FixturePreparer {
+	return FixtureModifyGlobalConfig(func(_ android.PathContext, dexpreoptConfig *GlobalConfig) {
+		dexpreoptConfig.DisablePreoptBootImages = disable
+	})
+}