Revert "Allow codename.fingerprint format for minSdkVersion"

This reverts commit 014a85712d14072aac171a972e3e2fbe3ccd0912.

Reason for revert: Caused vendor/google/build/build_mainline_modules.sh to fail with `Error: minSdkVersion (10000) is greater than maxSdkVersion (30)`.

Bug: 130541924
Change-Id: Ifa233bf40a674481d21b61ee816c5fdde8201080
diff --git a/apex/builder.go b/apex/builder.go
index 290c1ea..9122188 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -376,17 +376,15 @@
 		}
 
 		targetSdkVersion := ctx.Config().DefaultAppTargetSdk()
-		minSdkVersion := ctx.Config().DefaultAppTargetSdk()
-		if java.UseApiFingerprint(ctx, targetSdkVersion) {
-			targetSdkVersion += fmt.Sprintf(".$$(cat %s)", java.ApiFingerprintPath(ctx).String())
-			implicitInputs = append(implicitInputs, java.ApiFingerprintPath(ctx))
-		}
-		if java.UseApiFingerprint(ctx, minSdkVersion) {
-			minSdkVersion += fmt.Sprintf(".$$(cat %s)", java.ApiFingerprintPath(ctx).String())
-			implicitInputs = append(implicitInputs, java.ApiFingerprintPath(ctx))
+		if targetSdkVersion == ctx.Config().PlatformSdkCodename() &&
+			ctx.Config().UnbundledBuild() &&
+			!ctx.Config().UnbundledBuildUsePrebuiltSdks() &&
+			ctx.Config().IsEnvTrue("UNBUNDLED_BUILD_TARGET_SDK_WITH_API_FINGERPRINT") {
+			apiFingerprint := java.ApiFingerprintPath(ctx)
+			targetSdkVersion += fmt.Sprintf(".$$(cat %s)", apiFingerprint.String())
+			implicitInputs = append(implicitInputs, apiFingerprint)
 		}
 		optFlags = append(optFlags, "--target_sdk_version "+targetSdkVersion)
-		optFlags = append(optFlags, "--min_sdk_version "+minSdkVersion)
 
 		noticeFile := a.buildNoticeFile(ctx, a.Name()+suffix)
 		if noticeFile.Valid() {