Debug: Initialize local to false

Ensure that a later read always sees a well-defined value.

Bug: 31943543
Test: m
Change-Id: I654f7896bf1c07a67911196f8906007955f00b85

core/jni/android_os_Debug.cpp

@@ -430,6 +430,8 @@ static void load_maps(int pid, stats_t* stats, bool* foundSwapPss)
     char tmp[128];
     FILE *fp;
 
+    *foundSwapPss = false;
+
     sprintf(tmp, "/proc/%d/smaps", pid);
     fp = fopen(tmp, "r");
     if (fp == 0) return;