Remove unused uses_sdks property for apexes

(cherry picked from commit 7eed538208b6b158daa39504122545450db6c2e3)

Bug: 232546567
Test: m nothing & compare build.ninja before/after
Merged-In: I3f1199af338e1d2e48ec29cf9f59b6b36236c4cc
Change-Id: I3f1199af338e1d2e48ec29cf9f59b6b36236c4cc
diff --git a/android/apex.go b/android/apex.go
index b127f74..63cdaaf 100644
--- a/android/apex.go
+++ b/android/apex.go
@@ -58,9 +58,6 @@
 	// to true.
 	UsePlatformApis bool
 
-	// The list of SDK modules that the containing apexBundle depends on.
-	RequiredSdks SdkRefs
-
 	// List of Apex variant names that this module is associated with. This initially is the
 	// same as the `ApexVariationName` field.  Then when multiple apex variants are merged in
 	// mergeApexVariations, ApexInfo struct of the merged variant holds the list of apexBundles
@@ -110,9 +107,6 @@
 // thus wouldn't be merged.
 func (i ApexInfo) mergedName(ctx PathContext) string {
 	name := "apex" + strconv.Itoa(i.MinSdkVersion.FinalOrFutureInt())
-	for _, sdk := range i.RequiredSdks {
-		name += "_" + sdk.Name + "_" + sdk.Version
-	}
 	return name
 }
 
diff --git a/android/apex_test.go b/android/apex_test.go
index 1e2f3bd..0bf4c9c 100644
--- a/android/apex_test.go
+++ b/android/apex_test.go
@@ -33,10 +33,10 @@
 		{
 			name: "single",
 			in: []ApexInfo{
-				{"foo", FutureApiLevel, false, false, nil, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
+				{"foo", FutureApiLevel, false, false, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
 			},
 			wantMerged: []ApexInfo{
-				{"apex10000", FutureApiLevel, false, false, nil, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
+				{"apex10000", FutureApiLevel, false, false, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
 			},
 			wantAliases: [][2]string{
 				{"foo", "apex10000"},
@@ -45,25 +45,25 @@
 		{
 			name: "merge",
 			in: []ApexInfo{
-				{"foo", FutureApiLevel, false, false, SdkRefs{{"baz", "1"}}, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
-				{"bar", FutureApiLevel, false, false, SdkRefs{{"baz", "1"}}, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
+				{"foo", FutureApiLevel, false, false, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
+				{"bar", FutureApiLevel, false, false, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
 			},
 			wantMerged: []ApexInfo{
-				{"apex10000_baz_1", FutureApiLevel, false, false, SdkRefs{{"baz", "1"}}, []string{"bar", "foo"}, []string{"bar", "foo"}, nil, false}},
+				{"apex10000", FutureApiLevel, false, false, []string{"bar", "foo"}, []string{"bar", "foo"}, nil, false}},
 			wantAliases: [][2]string{
-				{"bar", "apex10000_baz_1"},
-				{"foo", "apex10000_baz_1"},
+				{"bar", "apex10000"},
+				{"foo", "apex10000"},
 			},
 		},
 		{
 			name: "don't merge version",
 			in: []ApexInfo{
-				{"foo", FutureApiLevel, false, false, nil, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
-				{"bar", uncheckedFinalApiLevel(30), false, false, nil, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
+				{"foo", FutureApiLevel, false, false, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
+				{"bar", uncheckedFinalApiLevel(30), false, false, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
 			},
 			wantMerged: []ApexInfo{
-				{"apex30", uncheckedFinalApiLevel(30), false, false, nil, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
-				{"apex10000", FutureApiLevel, false, false, nil, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
+				{"apex30", uncheckedFinalApiLevel(30), false, false, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
+				{"apex10000", FutureApiLevel, false, false, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
 			},
 			wantAliases: [][2]string{
 				{"bar", "apex30"},
@@ -73,11 +73,11 @@
 		{
 			name: "merge updatable",
 			in: []ApexInfo{
-				{"foo", FutureApiLevel, false, false, nil, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
-				{"bar", FutureApiLevel, true, false, nil, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
+				{"foo", FutureApiLevel, false, false, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
+				{"bar", FutureApiLevel, true, false, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
 			},
 			wantMerged: []ApexInfo{
-				{"apex10000", FutureApiLevel, true, false, nil, []string{"bar", "foo"}, []string{"bar", "foo"}, nil, NotForPrebuiltApex},
+				{"apex10000", FutureApiLevel, true, false, []string{"bar", "foo"}, []string{"bar", "foo"}, nil, NotForPrebuiltApex},
 			},
 			wantAliases: [][2]string{
 				{"bar", "apex10000"},
@@ -85,32 +85,17 @@
 			},
 		},
 		{
-			name: "don't merge sdks",
-			in: []ApexInfo{
-				{"foo", FutureApiLevel, false, false, SdkRefs{{"baz", "1"}}, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
-				{"bar", FutureApiLevel, false, false, SdkRefs{{"baz", "2"}}, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
-			},
-			wantMerged: []ApexInfo{
-				{"apex10000_baz_2", FutureApiLevel, false, false, SdkRefs{{"baz", "2"}}, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
-				{"apex10000_baz_1", FutureApiLevel, false, false, SdkRefs{{"baz", "1"}}, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
-			},
-			wantAliases: [][2]string{
-				{"bar", "apex10000_baz_2"},
-				{"foo", "apex10000_baz_1"},
-			},
-		},
-		{
 			name: "don't merge when for prebuilt_apex",
 			in: []ApexInfo{
-				{"foo", FutureApiLevel, false, false, nil, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
-				{"bar", FutureApiLevel, true, false, nil, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
+				{"foo", FutureApiLevel, false, false, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
+				{"bar", FutureApiLevel, true, false, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
 				// This one should not be merged in with the others because it is for
 				// a prebuilt_apex.
-				{"baz", FutureApiLevel, true, false, nil, []string{"baz"}, []string{"baz"}, nil, ForPrebuiltApex},
+				{"baz", FutureApiLevel, true, false, []string{"baz"}, []string{"baz"}, nil, ForPrebuiltApex},
 			},
 			wantMerged: []ApexInfo{
-				{"apex10000", FutureApiLevel, true, false, nil, []string{"bar", "foo"}, []string{"bar", "foo"}, nil, NotForPrebuiltApex},
-				{"baz", FutureApiLevel, true, false, nil, []string{"baz"}, []string{"baz"}, nil, ForPrebuiltApex},
+				{"apex10000", FutureApiLevel, true, false, []string{"bar", "foo"}, []string{"bar", "foo"}, nil, NotForPrebuiltApex},
+				{"baz", FutureApiLevel, true, false, []string{"baz"}, []string{"baz"}, nil, ForPrebuiltApex},
 			},
 			wantAliases: [][2]string{
 				{"bar", "apex10000"},
@@ -120,11 +105,11 @@
 		{
 			name: "merge different UsePlatformApis but don't allow using platform api",
 			in: []ApexInfo{
-				{"foo", FutureApiLevel, false, false, nil, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
-				{"bar", FutureApiLevel, false, true, nil, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
+				{"foo", FutureApiLevel, false, false, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
+				{"bar", FutureApiLevel, false, true, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
 			},
 			wantMerged: []ApexInfo{
-				{"apex10000", FutureApiLevel, false, false, nil, []string{"bar", "foo"}, []string{"bar", "foo"}, nil, NotForPrebuiltApex},
+				{"apex10000", FutureApiLevel, false, false, []string{"bar", "foo"}, []string{"bar", "foo"}, nil, NotForPrebuiltApex},
 			},
 			wantAliases: [][2]string{
 				{"bar", "apex10000"},
@@ -134,11 +119,11 @@
 		{
 			name: "merge same UsePlatformApis and allow using platform api",
 			in: []ApexInfo{
-				{"foo", FutureApiLevel, false, true, nil, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
-				{"bar", FutureApiLevel, false, true, nil, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
+				{"foo", FutureApiLevel, false, true, []string{"foo"}, []string{"foo"}, nil, NotForPrebuiltApex},
+				{"bar", FutureApiLevel, false, true, []string{"bar"}, []string{"bar"}, nil, NotForPrebuiltApex},
 			},
 			wantMerged: []ApexInfo{
-				{"apex10000", FutureApiLevel, false, true, nil, []string{"bar", "foo"}, []string{"bar", "foo"}, nil, NotForPrebuiltApex},
+				{"apex10000", FutureApiLevel, false, true, []string{"bar", "foo"}, []string{"bar", "foo"}, nil, NotForPrebuiltApex},
 			},
 			wantAliases: [][2]string{
 				{"bar", "apex10000"},
diff --git a/android/sdk.go b/android/sdk.go
index 1d63d7a..3a56240 100644
--- a/android/sdk.go
+++ b/android/sdk.go
@@ -23,24 +23,8 @@
 	"github.com/google/blueprint/proptools"
 )
 
-// RequiredSdks provides access to the set of SDKs required by an APEX and its contents.
-//
-// Extracted from SdkAware to make it easier to define custom subsets of the
-// SdkAware interface and improve code navigation within the IDE.
-//
-// In addition to its use in SdkAware this interface must also be implemented by
-// APEX to specify the SDKs required by that module and its contents. e.g. APEX
-// is expected to implement RequiredSdks() by reading its own properties like
-// `uses_sdks`.
-type RequiredSdks interface {
-	// RequiredSdks returns the set of SDKs required by an APEX and its contents.
-	RequiredSdks() SdkRefs
-}
-
 // sdkAwareWithoutModule is provided simply to improve code navigation with the IDE.
 type sdkAwareWithoutModule interface {
-	RequiredSdks
-
 	// SdkMemberComponentName will return the name to use for a component of this module based on the
 	// base name of this module.
 	//
@@ -81,7 +65,6 @@
 
 	ContainingSdk() SdkRef
 	MemberName() string
-	BuildWithSdks(sdks SdkRefs)
 }
 
 // SdkAware is the interface that must be supported by any module to become a member of SDK or to be
@@ -150,9 +133,6 @@
 	// The SDK that this module is a member of. nil if it is not a member of any SDK
 	ContainingSdk *SdkRef `blueprint:"mutated"`
 
-	// The list of SDK names and versions that are used to build this module
-	RequiredSdks SdkRefs `blueprint:"mutated"`
-
 	// Name of the module that this sdk member is representing
 	Sdk_member_name *string
 }
@@ -208,16 +188,6 @@
 	return proptools.String(s.properties.Sdk_member_name)
 }
 
-// BuildWithSdks is used to mark that this module has to be built with the given SDK(s).
-func (s *SdkBase) BuildWithSdks(sdks SdkRefs) {
-	s.properties.RequiredSdks = sdks
-}
-
-// RequiredSdks returns the SDK(s) that this module has to be built with
-func (s *SdkBase) RequiredSdks() SdkRefs {
-	return s.properties.RequiredSdks
-}
-
 // InitSdkAwareModule initializes the SdkBase struct. This must be called by all modules including
 // SdkBase.
 func InitSdkAwareModule(m SdkAware) {