Add llvm-objcopy to android_sdk_repo_host's implicit tools

llvm-strip is actually a symlink to llvm-objcopy. Since aosp/2850015,
rules must add both the symlink and the target of the symlink to
the sandbox to avoid a dangling symlink.

Fixes: 314994282
Test: m sdk sdk_repo dist
Change-Id: I72494596f3597e176222a44c822d0b12cdd4cde4
diff --git a/android_sdk/sdk_repo_host.go b/android_sdk/sdk_repo_host.go
index 7212a07..373e883 100644
--- a/android_sdk/sdk_repo_host.go
+++ b/android_sdk/sdk_repo_host.go
@@ -165,10 +165,11 @@
 				Flag(dir.Join(ctx, strip).String())
 		}
 	} else {
+		llvmObjCopy := config.ClangPath(ctx, "bin/llvm-objcopy")
 		llvmStrip := config.ClangPath(ctx, "bin/llvm-strip")
 		llvmLib := config.ClangPath(ctx, "lib/x86_64-unknown-linux-gnu/libc++.so")
 		for _, strip := range s.properties.Strip_files {
-			cmd := builder.Command().Tool(llvmStrip).ImplicitTool(llvmLib)
+			cmd := builder.Command().Tool(llvmStrip).ImplicitTool(llvmLib).ImplicitTool(llvmObjCopy)
 			if !ctx.Windows() {
 				cmd.Flag("-x")
 			}