CachedAppOptimizer: Use correct types for get[up]id()

Use uid_t and pid_t for native calls into libprocessgroup.

Test: m
Change-Id: I23ddc1f233b4a895403cc0f518e5ba102fdcaa44
diff --git a/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp b/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp
index 98482b8..c5b379b 100644
--- a/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp
+++ b/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp
@@ -565,8 +565,8 @@
 }
 
 static jboolean com_android_server_am_CachedAppOptimizer_isFreezerProfileValid(JNIEnv* env) {
-    int uid = getuid();
-    int pid = getpid();
+    uid_t uid = getuid();
+    pid_t pid = getpid();
 
     return isProfileValidForProcess("Frozen", uid, pid) &&
             isProfileValidForProcess("Unfrozen", uid, pid);