Fixing formatting issues

gRPC-Core.podspec

@@ -1387,15 +1387,7 @@ Pod::Spec.new do |s|
 
   # TODO (mxyan): Instead of this hack, add include path "third_party" to C core's include path?
   s.prepare_command = <<-END_OF_COMMAND
-    find src/core/ -type f -print0 | xargs -0 -L1 sed -E -i '' 's;#include "(pb(_.*)?\\.h)";#if COCOAPODS\\
+    find src/core/ -type f -print0 | xargs -0 -L1 sed -E -i '' 's;#include "(pb(_.*)?\\.h)";#if COCOAPODS\\\n  #include <nanopb/\\1>\\\n#else\\\n  #include "\\1"\\\n#endif;g'
-  #include <nanopb/\\1>\\
+    find src/core/ -type f \\( -path '*.h' -or -path '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i '' 's;#include <openssl/(.*)>;#if COCOAPODS\\\n  #include <openssl_grpc/\\1>\\\n#else\\\n  #include <openssl/\\1>\\\n#endif;g'
-#else\\
-  #include "\\1"\\
-#endif;g'
-    find src/core/ -type f \\( -path '*.h' -or -path '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i '' 's;#include <openssl/(.*)>;#if COCOAPODS\\
-  #include <openssl_grpc/\\1>\\
-#else\\
-  #include <openssl/\\1>\\
-#endif;g'
   END_OF_COMMAND
 end

templates/gRPC-Core.podspec.template

@@ -211,15 +211,8 @@
     end
 
     # TODO (mxyan): Instead of this hack, add include path "third_party" to C core's include path?
-  s.prepare_command = <<-END_OF_COMMAND
+    s.prepare_command = <<-END_OF_COMMAND
-    find src/core/ -type f -print0 | xargs -0 -L1 sed -E -i '' 's;#include "(pb(_.*)?\\.h)";#if COCOAPODS\\
+      find src/core/ -type f -print0 | xargs -0 -L1 sed -E -i '' 's;#include "(pb(_.*)?\\.h)";#if COCOAPODS\\\n  #include <nanopb/\\1>\\\n#else\\\n  #include "\\1"\\\n#endif;g'
-  #include <nanopb/\\1>\\
+      find src/core/ -type f \\( -path '*.h' -or -path '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i '' 's;#include <openssl/(.*)>;#if COCOAPODS\\\n  #include <openssl_grpc/\\1>\\\n#else\\\n  #include <openssl/\\1>\\\n#endif;g'
-#else\\
+    END_OF_COMMAND
-  #include "\\1"\\
-#endif;g'
-    find src/core/ -type f \\( -path '*.h' -or -path '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i '' 's;#include <openssl/(.*)>;#if COCOAPODS\\
-  #include <openssl_grpc/\\1>\\
-#else\\
-  #include <openssl/\\1>\\
-#endif;g'
   end