Revert "Set strict_mode to true"

Revert submission 27234948-default_strict_mode

Reason for revert: b/343559188
Reverted changes: /q/submissionid:27234948-default_strict_mode

Change-Id: Ib06e3d269e606477d5e8f8acc9a26ebf332447a8
diff --git a/java/robolectric.go b/java/robolectric.go
index 039e439..18386c9 100644
--- a/java/robolectric.go
+++ b/java/robolectric.go
@@ -116,7 +116,7 @@
 
 	if v := String(r.robolectricProperties.Robolectric_prebuilt_version); v != "" {
 		ctx.AddVariationDependencies(nil, libTag, fmt.Sprintf(robolectricPrebuiltLibPattern, v))
-	} else if !proptools.BoolDefault(r.robolectricProperties.Strict_mode, true) {
+	} else if !proptools.Bool(r.robolectricProperties.Strict_mode) {
 		if proptools.Bool(r.robolectricProperties.Upstream) {
 			ctx.AddVariationDependencies(nil, libTag, robolectricCurrentLib+"_upstream")
 		} else {
@@ -124,7 +124,7 @@
 		}
 	}
 
-	if proptools.BoolDefault(r.robolectricProperties.Strict_mode, true) {
+	if proptools.Bool(r.robolectricProperties.Strict_mode) {
 		ctx.AddVariationDependencies(nil, roboRuntimeOnlyTag, robolectricCurrentLib+"_upstream")
 	}