support libs for android_library

adds support for *-> android_library and android_library->* edges

Change-Id: I41d4e1d1b8106a17e67951d47e67b59ef3170d17
Test: manually inspected build files for libWallpaperPicker & android-suppor-v4

bp2build/java_library_conversion_test.go

@@ -585,6 +585,7 @@ android_library {
 					"manifest":       `"manifest/AndroidManifest.xml"`,
 					"resource_files": `[]`,
 				}),
+			MakeNeverlinkDuplicateTarget("android_library", "TestLib"),
 		}})
 }
 
@@ -628,6 +629,7 @@ android_library {
 					"manifest":       `"manifest/AndroidManifest.xml"`,
 					"resource_files": `[]`,
 				}),
+			MakeNeverlinkDuplicateTarget("android_library", "TestLib"),
 		}})
 }
 
@@ -665,6 +667,7 @@ android_library {
 					"manifest":       `"manifest/AndroidManifest.xml"`,
 					"resource_files": `[]`,
 				}),
+			MakeNeverlinkDuplicateTarget("android_library", "TestLib"),
 		}})
 }