Fix grpcio patch: restore ZLIB_INCLUDE exclusion for Android

ZLIB_INCLUDE adds /usr/include which leaks host glibc headers on CI.
Keep SSL_INCLUDE (now via OPENSSL_ROOT_DIR) always, skip ZLIB_INCLUDE
on Android only.

Author: FeodorFitsner

recipes/grpcio/patches/mobile.patch

@@ -1,7 +1,6 @@
-diff --git a/setup.py b/setup.py
---- a/setup.py
-+++ b/setup.py
-@@ -58,12 +58,14 @@ CARES_INCLUDE = (
+--- a/setup.py	2026-03-31 12:55:12
++++ b/setup.py	2026-03-31 12:56:03
+@@ -58,12 +58,14 @@
      os.path.join("third_party", "cares"),
      os.path.join("third_party", "cares", "cares"),
  )
@@ -17,13 +16,34 @@ diff --git a/setup.py b/setup.py
  if "openbsd" in sys.platform:
      CARES_INCLUDE += (os.path.join("third_party", "cares", "config_openbsd"),)
  RE2_INCLUDE = (os.path.join("third_party", "re2"),)
-@@ -304,7 +306,9 @@ if BUILD_WITH_SYSTEM_OPENSSL:
+@@ -302,7 +304,9 @@
+         lambda x: "third_party/boringssl" not in x, CORE_C_FILES
      )
      CORE_C_FILES = filter(lambda x: "src/boringssl" not in x, CORE_C_FILES)
 -    SSL_INCLUDE = (os.path.join("/usr", "include", "openssl"),)
 +    # Use cross-compiled OpenSSL headers when OPENSSL_ROOT_DIR is set
 +    _ssl_prefix = os.environ.get("OPENSSL_ROOT_DIR", "/usr")
 +    SSL_INCLUDE = (os.path.join(_ssl_prefix, "include"),)
-
+ 
  if BUILD_WITH_SYSTEM_ZLIB:
      CORE_C_FILES = filter(lambda x: "third_party/zlib" not in x, CORE_C_FILES)
+@@ -329,14 +333,17 @@
+     + ADDRESS_SORTING_INCLUDE
+     + CARES_INCLUDE
+     + RE2_INCLUDE
+-    + SSL_INCLUDE
+     + UPB_INCLUDE
+     + UPB_GRPC_GENERATED_INCLUDE
+     + UPBDEFS_GRPC_GENERATED_INCLUDE
+     + UTF8_RANGE_INCLUDE
+     + XXHASH_INCLUDE
+-    + ZLIB_INCLUDE
+ )
++
++# On Android, SSL_INCLUDE uses OPENSSL_ROOT_DIR; skip ZLIB_INCLUDE to avoid /usr/include
++EXTENSION_INCLUDE_DIRECTORIES += SSL_INCLUDE
++if "android" not in sys.platform:
++    EXTENSION_INCLUDE_DIRECTORIES += ZLIB_INCLUDE
+ 
+ EXTENSION_LIBRARIES = ()
+ if "linux" in sys.platform: