Remove android_common.h

This header file was used for all imports of android.c and
android_platform.c. Move the include directives to the source files
instead, to follow the include-what-you-use rule.

Bug: 234313751
Test: m
Change-Id: I362a722b2a3e7cd204772d8e37fa9b893184e1ce

libselinux/src/android/android.c

@@ -1,4 +1,14 @@
-#include "android_common.h"
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <log/log.h>
+#include <selinux/android.h>
+#include <selinux/label.h>
+
+#include "android_internal.h"
+#include "callbacks.h"
 
 #ifdef __ANDROID_VNDK__
 #ifndef LOG_EVENT_STRING

libselinux/src/android/android_common.h

@@ -1,39 +0,0 @@
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdbool.h>
-#include <ctype.h>
-#include <errno.h>
-#include <pwd.h>
-#include <grp.h>
-#include <sys/mman.h>
-#include <sys/mount.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/xattr.h>
-#include <fcntl.h>
-#include <selinux/selinux.h>
-#include <selinux/context.h>
-#include <selinux/android.h>
-#include <selinux/label.h>
-#include <log/log.h>
-#include "policy.h"
-#include "callbacks.h"
-#include "selinux_internal.h"
-#include "label_internal.h"
-#include <fnmatch.h>
-#include <limits.h>
-#include <sys/vfs.h>
-#include <linux/magic.h>
-#include <libgen.h>
-
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-
-#define FC_DIGEST_SIZE SHA_DIGEST_LENGTH
-
-// Context files (file_contexts, service_contexts, etc) may be spread over
-// multiple partitions: system, apex, system_ext, product, vendor and/or odm.
-#define MAX_CONTEXT_PATHS 6
-// The maximum number of alternatives for a file on one partition.
-#define MAX_ALT_CONTEXT_PATHS 2

libselinux/src/android/android_internal.h

@@ -1,11 +1,18 @@
+#pragma once
+
 #include <sys/types.h>
 
-#include "android_common.h"
+#include <selinux/selinux.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+// Context files (file_contexts, service_contexts, etc) may be spread over
+// multiple partitions: system, apex, system_ext, product, vendor and/or odm.
+#define MAX_CONTEXT_PATHS 6
+// The maximum number of alternatives for a file on one partition.
+#define MAX_ALT_CONTEXT_PATHS 2
 
 /* Within each set of files, adds the first file that is accessible to `paths`.
  * Returns the number of accessible files. */

libselinux/src/android/android_platform.c

@@ -1,11 +1,37 @@
-#include "android_internal.h"
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <fnmatch.h>
 #include <fts.h>
+#include <libgen.h>
+#include <limits.h>
+#include <linux/magic.h>
+#include <pwd.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/vfs.h>
+#include <sys/xattr.h>
+#include <unistd.h>
+
+#include <log/log.h>
 #include <packagelistparser/packagelistparser.h>
 #include <private/android_filesystem_config.h>
+#include <selinux/android.h>
+#include <selinux/context.h>
+#include <selinux/selinux.h>
 
 #define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
 #include <sys/_system_properties.h>
 
+#include "android_internal.h"
+#include "callbacks.h"
+#include "label_internal.h"
+#include "selinux_internal.h"
+
 /* Locations for the file_contexts files. For each partition, only the first
  * existing entry will be used (for example, if
  * /system/etc/selinux/plat_file_contexts exists, /plat_file_contexts will be

libselinux/src/android/android_unittest.cpp

@@ -4,6 +4,7 @@
 #include <android-base/stringprintf.h>
 
 #include "android_internal.h"
+#include "label_internal.h"
 
 using android::base::StringPrintf;
 using android::base::WriteStringToFile;