Fix some Java doc errors

Bug: 148413462
Test: Manual
Change-Id: Idfabf5ac6548fd821bc69afb3588c1d124d0011b
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index 2531c89..b6d519a 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -73,8 +73,8 @@
 import android.util.DisplayMetrics;
 import android.util.Singleton;
 import android.util.Size;
-import android.window.WindowContainerToken;
 import android.view.Surface;
+import android.window.WindowContainerToken;
 
 import com.android.internal.app.LocalePicker;
 import com.android.internal.app.procstats.ProcessStats;
@@ -3632,7 +3632,8 @@
      * Set custom state data for this process. It will be included in the record of
      * {@link ApplicationExitInfo} on the death of the current calling process; the new process
      * of the app can retrieve this state data by calling
-     * {@link ApplicationExitInfo#getProcessStateSummary} on the record returned by
+     * {@link android.app.ApplicationExitInfo#getProcessStateSummary()
+     * ApplicationExitInfo.getProcessStateSummary()} on the record returned by
      * {@link #getHistoricalProcessExitReasons}.
      *
      * <p> This would be useful for the calling app to save its stateful data: if it's
@@ -3657,7 +3658,7 @@
         }
     }
 
-    /*
+    /**
      * @return Whether or not the low memory kill will be reported in
      * {@link #getHistoricalProcessExitReasons}.
      *
diff --git a/core/java/android/app/ApplicationExitInfo.java b/core/java/android/app/ApplicationExitInfo.java
index 0ecc003..cfe0aff 100644
--- a/core/java/android/app/ApplicationExitInfo.java
+++ b/core/java/android/app/ApplicationExitInfo.java
@@ -90,7 +90,8 @@
      * {@link #REASON_SIGNALED} and {@link #getStatus} will return
      * the value {@link android.system.OsConstants#SIGKILL}.
      *
-     * Application should use {@link ActivityManager#isLowMemoryKillReportSupported} to check
+     * Application should use {@link android.app.ActivityManager#isLowMemoryKillReportSupported()
+     * ActivityManager.isLowMemoryKillReportSupported()} to check
      * if the device supports reporting {@link #REASON_LOW_MEMORY} or not.
      * </p>
      */
@@ -523,7 +524,7 @@
         return mReason;
     }
 
-    /*
+    /**
      * The exit status argument of exit() if the application calls it, or the signal
      * number if the application is signaled.
      */
@@ -538,7 +539,7 @@
         return mImportance;
     }
 
-    /*
+    /**
      * Last proportional set size of the memory that the process had used in kB.
      *
      * <p class="note">Note: This is the value from last sampling on the process,
@@ -562,7 +563,7 @@
 
     /**
      * The timestamp of the process's death, in milliseconds since the epoch,
-     * as returned by {@link System#currentTimeMillis System.currentTimeMillis()}.
+     * as returned by {@link java.lang.System#currentTimeMillis() System.currentTimeMillis()}.
      */
     public @CurrentTimeMillisLong long getTimestamp() {
         return mTimestamp;
@@ -586,8 +587,9 @@
     }
 
     /**
-     * Return the state data set by calling {@link ActivityManager#setProcessStateSummary}
-     * from the process before its death.
+     * Return the state data set by calling
+     * {@link android.app.ActivityManager#setProcessStateSummary(byte[])
+     * ActivityManager.setProcessStateSummary(byte[])} from the process before its death.
      *
      * @return The process-customized data
      * @see ActivityManager#setProcessStateSummary(byte[])