Revert "Support generating sdk snapshot for specific build release"

This reverts commit ef2df587be.

Reason for revert: suspect to cause build break in b/201948713

Change-Id: If46219746913bec87ca2030ba51a6094246a0211

sdk/testing.go

@@ -136,7 +136,6 @@ func getSdkSnapshotBuildInfo(t *testing.T, result *android.TestResult, sdk *sdk)
 		androidUnversionedBpContents: sdk.GetUnversionedAndroidBpContentsForTests(),
 		androidVersionedBpContents:   sdk.GetVersionedAndroidBpContentsForTests(),
 		snapshotTestCustomizations:   map[snapshotTest]*snapshotTestCustomization{},
-		targetBuildRelease:           sdk.builderForTests.targetBuildRelease,
 	}
 
 	buildParams := sdk.BuildParamsForTests()
@@ -254,13 +253,6 @@ func CheckSnapshot(t *testing.T, result *android.TestResult, name string, dir st
 	}
 	fs[filepath.Join(snapshotSubDir, "Android.bp")] = []byte(snapshotBuildInfo.androidBpContents)
 
-	// If the generated snapshot builders not for the current release then it cannot be loaded by
-	// the current release.
-	currentBuildRelease := latestBuildRelease()
-	if snapshotBuildInfo.targetBuildRelease != currentBuildRelease {
-		return
-	}
-
 	// The preparers from the original source fixture.
 	sourcePreparers := result.Preparer()
 
@@ -484,9 +476,6 @@ type snapshotBuildInfo struct {
 	// The final output zip.
 	outputZip string
 
-	// The target build release.
-	targetBuildRelease *buildRelease
-
 	// The test specific customizations for each snapshot test.
 	snapshotTestCustomizations map[snapshotTest]*snapshotTestCustomization
 }