Revert "Block CFI on static libraries"

This reverts commit f9abec0987feb81132201179217ad0ea66ae4074.

Reason for revert:
https://b.corp.google.com/issues/301444094
https://b.corp.google.com/issues/301443813
https://b.corp.google.com/issues/301437374

Change-Id: I6fd03e4d3c0930005178ad347f53156be8f15efc
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index 82b9e4a..28dbf7e 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -4785,6 +4785,7 @@
 }`,
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
+				"features":       `["android_cfi"]`,
 				"local_includes": `["."]`,
 			}),
 			MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
@@ -4813,6 +4814,10 @@
 }`,
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
+				"features": `select({
+        "//build/bazel/platforms/os:android": ["android_cfi"],
+        "//conditions:default": [],
+    })`,
 				"local_includes": `["."]`,
 			}),
 			MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
@@ -4843,7 +4848,10 @@
 }`,
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
-				"features":       `["android_cfi_assembly_support"]`,
+				"features": `[
+        "android_cfi",
+        "android_cfi_assembly_support",
+    ]`,
 				"local_includes": `["."]`,
 			}),
 			MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
diff --git a/bp2build/cc_library_shared_conversion_test.go b/bp2build/cc_library_shared_conversion_test.go
index b9df2e7..90b13b0 100644
--- a/bp2build/cc_library_shared_conversion_test.go
+++ b/bp2build/cc_library_shared_conversion_test.go
@@ -1522,7 +1522,7 @@
 	runCcLibrarySharedTestCase(t, Bp2buildTestCase{
 		Description: "cc_library_shared has correct features when cfi is enabled with cfi assembly support",
 		Blueprint: `
-cc_library_shared {
+cc_library_static {
 	name: "foo",
 	sanitize: {
 		cfi: true,
@@ -1532,7 +1532,7 @@
 	},
 }`,
 		ExpectedBazelTargets: []string{
-			MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
+			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
 				"features": `[
         "android_cfi",
         "android_cfi_assembly_support",
diff --git a/bp2build/cc_library_static_conversion_test.go b/bp2build/cc_library_static_conversion_test.go
index e7a75b4..89ec8f9 100644
--- a/bp2build/cc_library_static_conversion_test.go
+++ b/bp2build/cc_library_static_conversion_test.go
@@ -2135,9 +2135,9 @@
 	})
 }
 
-func TestCcLibraryStaticNoCfi(t *testing.T) {
+func TestCcLibraryStaticWithCfi(t *testing.T) {
 	runCcLibraryStaticTestCase(t, Bp2buildTestCase{
-		Description: "cc_library_static never explicitly enables CFI",
+		Description: "cc_library_static has correct features when cfi is enabled",
 		Blueprint: `
 cc_library_static {
 	name: "foo",
@@ -2147,6 +2147,7 @@
 }`,
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
+				"features":       `["android_cfi"]`,
 				"local_includes": `["."]`,
 			}),
 		},
@@ -2155,7 +2156,7 @@
 
 func TestCcLibraryStaticWithCfiOsSpecific(t *testing.T) {
 	runCcLibraryStaticTestCase(t, Bp2buildTestCase{
-		Description: "cc_library_static never explicitly enables CFI even for specific variants",
+		Description: "cc_library_static has correct features when cfi is enabled for specific variants",
 		Blueprint: `
 cc_library_static {
 	name: "foo",
@@ -2169,6 +2170,10 @@
 }`,
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
+				"features": `select({
+        "//build/bazel/platforms/os:android": ["android_cfi"],
+        "//conditions:default": [],
+    })`,
 				"local_includes": `["."]`,
 			}),
 		},
@@ -2177,7 +2182,7 @@
 
 func TestCcLibraryStaticWithCfiAndCfiAssemblySupport(t *testing.T) {
 	runCcLibraryStaticTestCase(t, Bp2buildTestCase{
-		Description: "cc_library_static will specify cfi_assembly_support feature but not cfi feature",
+		Description: "cc_library_static has correct features when cfi is enabled with cfi_assembly_support",
 		Blueprint: `
 cc_library_static {
 	name: "foo",
@@ -2190,7 +2195,10 @@
 }`,
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
-				"features":       `["android_cfi_assembly_support"]`,
+				"features": `[
+        "android_cfi",
+        "android_cfi_assembly_support",
+    ]`,
 				"local_includes": `["."]`,
 			}),
 		},