Export some api files for use by cts/tests/signature tests

Creates a filegroup for each of these files:
* api/current.txt
* api/system-current.txt
* api/system-removed.txt
* test-base/api/current.txt
* test-mock/api/current.txt
* test-runner/api/current.txt

Bug: 122332514
Test: atest -p cts/tests/signature
Change-Id: Ib031dcc39d3c1cca6dcdf977c0277d5e4875591e

Android.bp

@@ -1102,6 +1102,24 @@ filegroup {
     ],
 }
 
+// Make the api/system-current.txt file available for use by modules in other
+// directories.
+filegroup {
+    name: "frameworks-base-api-system-current.txt",
+    srcs: [
+        "api/system-current.txt",
+    ],
+}
+
+// Make the api/system-removed.txt file available for use by modules in other
+// directories.
+filegroup {
+    name: "frameworks-base-api-system-removed.txt",
+    srcs: [
+        "api/system-removed.txt",
+    ],
+}
+
 framework_docs_only_args = " -android -manifest $(location core/res/AndroidManifest.xml) " +
     "-werror -lerror -hide 111 -hide 113 -hide 125 -hide 126 -hide 127 -hide 128 " +
     "-overview $(location core/java/overview.html) " +

test-base/Android.bp

@@ -25,7 +25,7 @@ java_sdk_library {
     srcs: ["src/**/*.java"],
 
     errorprone: {
-      javacflags: ["-Xep:DepAnn:ERROR"],
+        javacflags: ["-Xep:DepAnn:ERROR"],
     },
 
     hostdex: true,
@@ -96,3 +96,14 @@ java_library_static {
     ],
 }
 
+// Make the current.txt available for use by the cts/tests/signature tests.
+// ========================================================================
+filegroup {
+    name: "android-test-base-current.txt",
+    visibility: [
+        "//cts/tests/signature/api",
+    ],
+    srcs: [
+        "api/current.txt",
+    ],
+}

test-mock/Android.bp

@@ -30,3 +30,15 @@ java_sdk_library {
     srcs_lib_whitelist_pkgs: ["android"],
     compile_dex: true,
 }
+
+// Make the current.txt available for use by the cts/tests/signature tests.
+// ========================================================================
+filegroup {
+    name: "android-test-mock-current.txt",
+    visibility: [
+        "//cts/tests/signature/api",
+    ],
+    srcs: [
+        "api/current.txt",
+    ],
+}

test-runner/Android.bp

@@ -40,7 +40,7 @@ java_sdk_library {
         "junit.textui",
     ],
 
-    compile_dex: true
+    compile_dex: true,
 }
 
 // Build the android.test.runner-minus-junit library
@@ -86,3 +86,14 @@ java_library_static {
     java_version: "1.8",
 }
 
+// Make the current.txt available for use by the cts/tests/signature tests.
+// ========================================================================
+filegroup {
+    name: "android-test-runner-current.txt",
+    visibility: [
+        "//cts/tests/signature/api",
+    ],
+    srcs: [
+        "api/current.txt",
+    ],
+}