Revert "enforce sdk_version for JNI libs for updatable APKs"

This reverts commit 98c4750f39577abd42e70dfd777ea6f5e1af3111.

Reason for revert: broken builds

Change-Id: Icd3a9e226ff8ff288b682757cded9f43069ebc5e
diff --git a/java/app.go b/java/app.go
index 0237bbf..d25575c 100755
--- a/java/app.go
+++ b/java/app.go
@@ -270,47 +270,19 @@
 }
 
 func (a *AndroidApp) checkAppSdkVersions(ctx android.ModuleContext) {
-	if Bool(a.appProperties.Updatable) || a.ApexModuleBase.Updatable() {
+	if Bool(a.appProperties.Updatable) {
 		if !a.sdkVersion().stable() {
 			ctx.PropertyErrorf("sdk_version", "Updatable apps must use stable SDKs, found %v", a.sdkVersion())
 		}
 		if String(a.deviceProperties.Min_sdk_version) == "" {
 			ctx.PropertyErrorf("updatable", "updatable apps must set min_sdk_version.")
 		}
-		if minSdkVersion, err := a.minSdkVersion().effectiveVersion(ctx); err == nil {
-			a.checkJniLibsSdkVersion(ctx, minSdkVersion)
-		} else {
-			ctx.PropertyErrorf("min_sdk_version", "%s", err.Error())
-		}
 	}
 
 	a.checkPlatformAPI(ctx)
 	a.checkSdkVersions(ctx)
 }
 
-// If an updatable APK sets min_sdk_version, min_sdk_vesion of JNI libs should match with it.
-// This check is enforced for "updatable" APKs (including APK-in-APEX).
-// b/155209650: until min_sdk_version is properly supported, use sdk_version instead.
-// because, sdk_version is overridden by min_sdk_version (if set as smaller)
-// and linkType is checked with dependencies so we can be sure that the whole dependency tree
-// will meet the requirements.
-func (a *AndroidApp) checkJniLibsSdkVersion(ctx android.ModuleContext, minSdkVersion sdkVersion) {
-	// It's enough to check direct JNI deps' sdk_version because all transitive deps from JNI deps are checked in cc.checkLinkType()
-	ctx.VisitDirectDeps(func(m android.Module) {
-		if !IsJniDepTag(ctx.OtherModuleDependencyTag(m)) {
-			return
-		}
-		dep, _ := m.(*cc.Module)
-		jniSdkVersion, err := android.ApiStrToNum(ctx, dep.SdkVersion())
-		if err != nil || int(minSdkVersion) < jniSdkVersion {
-			ctx.OtherModuleErrorf(dep, "sdk_version(%v) is higher than min_sdk_version(%v) of the containing android_app(%v)",
-				dep.SdkVersion(), a.MinSdkVersion(), ctx.ModuleName())
-			return
-		}
-
-	})
-}
-
 // Returns true if the native libraries should be stored in the APK uncompressed and the
 // extractNativeLibs application flag should be set to false in the manifest.
 func (a *AndroidApp) useEmbeddedNativeLibs(ctx android.ModuleContext) bool {
diff --git a/java/app_test.go b/java/app_test.go
index c4f1d3f..998c76a 100644
--- a/java/app_test.go
+++ b/java/app_test.go
@@ -385,127 +385,6 @@
 	}
 }
 
-func TestUpdatableApps_JniLibsShouldShouldSupportMinSdkVersion(t *testing.T) {
-	testJava(t, cc.GatherRequiredDepsForTest(android.Android)+`
-		android_app {
-			name: "foo",
-			srcs: ["a.java"],
-			updatable: true,
-			sdk_version: "current",
-			min_sdk_version: "current",
-			jni_libs: ["libjni"],
-		}
-
-		cc_library {
-			name: "libjni",
-			stl: "none",
-			system_shared_libs: [],
-			sdk_version: "current",
-		}
-	`)
-}
-
-func TestUpdatableApps_JniLibShouldBeBuiltAgainstMinSdkVersion(t *testing.T) {
-	bp := cc.GatherRequiredDepsForTest(android.Android) + `
-		android_app {
-			name: "foo",
-			srcs: ["a.java"],
-			updatable: true,
-			sdk_version: "current",
-			min_sdk_version: "29",
-			jni_libs: ["libjni"],
-		}
-
-		cc_library {
-			name: "libjni",
-			stl: "none",
-			system_shared_libs: [],
-			sdk_version: "29",
-		}
-
-		ndk_prebuilt_object {
-			name: "ndk_crtbegin_so.29",
-			sdk_version: "29",
-		}
-
-		ndk_prebuilt_object {
-			name: "ndk_crtend_so.29",
-			sdk_version: "29",
-		}
-	`
-	fs := map[string][]byte{
-		"prebuilts/ndk/current/platforms/android-29/arch-arm64/usr/lib/crtbegin_so.o": nil,
-		"prebuilts/ndk/current/platforms/android-29/arch-arm64/usr/lib/crtend_so.o":   nil,
-		"prebuilts/ndk/current/platforms/android-29/arch-arm/usr/lib/crtbegin_so.o":   nil,
-		"prebuilts/ndk/current/platforms/android-29/arch-arm/usr/lib/crtend_so.o":     nil,
-	}
-
-	ctx, _ := testJavaWithConfig(t, testConfig(nil, bp, fs))
-
-	inputs := ctx.ModuleForTests("libjni", "android_arm64_armv8-a_sdk_shared").Description("link").Implicits
-	var crtbeginFound, crtendFound bool
-	for _, input := range inputs {
-		switch input.String() {
-		case "prebuilts/ndk/current/platforms/android-29/arch-arm64/usr/lib/crtbegin_so.o":
-			crtbeginFound = true
-		case "prebuilts/ndk/current/platforms/android-29/arch-arm64/usr/lib/crtend_so.o":
-			crtendFound = true
-		}
-	}
-	if !crtbeginFound || !crtendFound {
-		t.Error("should link with ndk_crtbegin_so.29 and ndk_crtend_so.29")
-	}
-}
-
-func TestUpdatableApps_ErrorIfJniLibDoesntSupportMinSdkVersion(t *testing.T) {
-	bp := cc.GatherRequiredDepsForTest(android.Android) + `
-		android_app {
-			name: "foo",
-			srcs: ["a.java"],
-			updatable: true,
-			sdk_version: "current",
-			min_sdk_version: "29",  // this APK should support 29
-			jni_libs: ["libjni"],
-		}
-
-		cc_library {
-			name: "libjni",
-			stl: "none",
-			sdk_version: "current",
-		}
-	`
-	testJavaError(t, `"libjni" .*: sdk_version\(current\) is higher than min_sdk_version\(29\)`, bp)
-}
-
-func TestUpdatableApps_ErrorIfDepSdkVersionIsHigher(t *testing.T) {
-	bp := cc.GatherRequiredDepsForTest(android.Android) + `
-		android_app {
-			name: "foo",
-			srcs: ["a.java"],
-			updatable: true,
-			sdk_version: "current",
-			min_sdk_version: "29",  // this APK should support 29
-			jni_libs: ["libjni"],
-		}
-
-		cc_library {
-			name: "libjni",
-			stl: "none",
-			shared_libs: ["libbar"],
-			system_shared_libs: [],
-			sdk_version: "27",
-		}
-
-		cc_library {
-			name: "libbar",
-			stl: "none",
-			system_shared_libs: [],
-			sdk_version: "current",
-		}
-	`
-	testJavaError(t, `"libjni" .*: links "libbar" built against newer API version "current"`, bp)
-}
-
 func TestResourceDirs(t *testing.T) {
 	testCases := []struct {
 		name      string