diff --git a/api/current.xml b/api/current.xml
index f7a5954..3d91a7e 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -21704,17 +21704,6 @@
  visibility="public"
 >
 </field>
-<field name="FLAG_HEAVY_WEIGHT"
- type="int"
- transient="false"
- volatile="false"
- value="1"
- static="true"
- final="true"
- deprecated="not deprecated"
- visibility="public"
->
-</field>
 <field name="IMPORTANCE_BACKGROUND"
  type="int"
  transient="false"
@@ -21825,16 +21814,6 @@
  visibility="public"
 >
 </field>
-<field name="flags"
- type="int"
- transient="false"
- volatile="false"
- static="false"
- final="false"
- deprecated="not deprecated"
- visibility="public"
->
-</field>
 <field name="importance"
  type="int"
  transient="false"
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index d5741fc..4736404 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -755,14 +755,17 @@
         public String pkgList[];
         
         /**
-         * Constant for {@link #flags}: this is a heavy-weight process,
-         * meaning it will not be killed while in the background.
+         * Constant for {@link #flags}: this is an app that is unable to
+         * correctly save its state when going to the background,
+         * so it can not be killed while in the background.
+         * @hide
          */
-        public static final int FLAG_HEAVY_WEIGHT = 1<<0;
+        public static final int FLAG_CANT_SAVE_STATE = 1<<0;
         
         /**
          * Flags of information.  May be any of
-         * {@link #FLAG_HEAVY_WEIGHT}.
+         * {@link #FLAG_CANT_SAVE_STATE}.
+         * @hide
          */
         public int flags;
         
diff --git a/core/java/android/preference/PreferenceManager.java b/core/java/android/preference/PreferenceManager.java
index 2b20946..fa83897 100644
--- a/core/java/android/preference/PreferenceManager.java
+++ b/core/java/android/preference/PreferenceManager.java
@@ -443,7 +443,7 @@
             pm.setSharedPreferencesMode(sharedPreferencesMode);
             pm.inflateFromResource(context, resId, null);
 
-            defaultValueSp.edit().putBoolean(KEY_HAS_SET_DEFAULT_VALUES, true).commit();
+            defaultValueSp.edit().putBoolean(KEY_HAS_SET_DEFAULT_VALUES, true).apply();
         }
     }
     
@@ -481,7 +481,7 @@
     
     private void setNoCommit(boolean noCommit) {
         if (!noCommit && mEditor != null) {
-            mEditor.commit();
+            mEditor.apply();
         }
         
         mNoCommit = noCommit;
diff --git a/docs/html/guide/topics/data/data-storage.jd b/docs/html/guide/topics/data/data-storage.jd
index 293a057..e20d1ed 100644
--- a/docs/html/guide/topics/data/data-storage.jd
+++ b/docs/html/guide/topics/data/data-storage.jd
@@ -115,7 +115,7 @@
     public static final String PREFS_NAME = "MyPrefsFile";
 
     &#64;Override
-    protected void onCreate(Bundle state){         
+    protected void onCreate(Bundle state){
        super.onCreate(state);
        . . .
 
@@ -374,7 +374,7 @@
 can execute a SQLite command to create tables in the database. For example:</p>
 
 <pre>
-public class MyDbOpenHelper extends SQLiteOpenHelper {
+public class DictionaryOpenHelper extends SQLiteOpenHelper {
 
     private static final int DATABASE_VERSION = 2;
     private static final String DICTIONARY_TABLE_NAME = "dictionary";
diff --git a/include/media/stagefright/MPEG4Writer.h b/include/media/stagefright/MPEG4Writer.h
index 52b93e1..70bd8e8 100644
--- a/include/media/stagefright/MPEG4Writer.h
+++ b/include/media/stagefright/MPEG4Writer.h
@@ -62,6 +62,7 @@
     class Track;
 
     FILE *mFile;
+    bool mUse4ByteNalLength;
     bool mUse32BitOffset;
     bool mPaused;
     bool mStarted;
@@ -135,6 +136,10 @@
     void setDriftTimeUs(int64_t driftTimeUs);
     int64_t getDriftTimeUs();
 
+    // Return whether the nal length is 4 bytes or 2 bytes
+    // Only makes sense for H.264/AVC
+    bool useNalLengthFour();
+
     void lock();
     void unlock();
 
diff --git a/include/media/stagefright/MetaData.h b/include/media/stagefright/MetaData.h
index 3b31e68..0b6201c 100644
--- a/include/media/stagefright/MetaData.h
+++ b/include/media/stagefright/MetaData.h
@@ -79,6 +79,7 @@
 
     // Set this key to enable authoring files in 64-bit offset
     kKey64BitFileOffset   = 'fobt',  // int32_t (bool)
+    kKey2ByteNalLength    = '2NAL',  // int32_t (bool)
 
     // Identify the file output format for authoring
     // Please see <media/mediarecorder.h> for the supported
diff --git a/media/libstagefright/AwesomePlayer.cpp b/media/libstagefright/AwesomePlayer.cpp
index 2681dc3..c13726b 100644
--- a/media/libstagefright/AwesomePlayer.cpp
+++ b/media/libstagefright/AwesomePlayer.cpp
@@ -50,6 +50,9 @@
 
 namespace android {
 
+static int64_t kLowWaterMarkUs = 2000000ll;  // 2secs
+static int64_t kHighWaterMarkUs = 10000000ll;  // 10secs
+
 struct AwesomeEvent : public TimedEventQueue::Event {
     AwesomeEvent(
             AwesomePlayer *player,
@@ -450,6 +453,25 @@
     }
 }
 
+// Returns true iff cached duration is available/applicable.
+bool AwesomePlayer::getCachedDuration_l(int64_t *durationUs, bool *eos) {
+    off_t totalSize;
+
+    if (mRTSPController != NULL) {
+        *durationUs = mRTSPController->getQueueDurationUs(eos);
+        return true;
+    } else if (mCachedSource != NULL && mDurationUs >= 0
+            && mCachedSource->getSize(&totalSize) == OK) {
+        int64_t bitrate = totalSize * 8000000ll / mDurationUs;  // in bits/sec
+
+        size_t cachedDataRemaining = mCachedSource->approxDataRemaining(eos);
+        *durationUs = cachedDataRemaining * 8000000ll / bitrate;
+        return true;
+    }
+
+    return false;
+}
+
 void AwesomePlayer::onBufferingUpdate() {
     Mutex::Autolock autoLock(mLock);
     if (!mBufferingEventPending) {
@@ -457,78 +479,82 @@
     }
     mBufferingEventPending = false;
 
-    int kLowWaterMarkSecs = 2;
-    int kHighWaterMarkSecs = 10;
-
-    if (mRTSPController != NULL) {
+    if (mCachedSource != NULL) {
         bool eos;
-        int64_t queueDurationUs = mRTSPController->getQueueDurationUs(&eos);
+        size_t cachedDataRemaining = mCachedSource->approxDataRemaining(&eos);
 
-        LOGV("queueDurationUs = %.2f secs", queueDurationUs / 1E6);
+        if (eos) {
+            notifyListener_l(MEDIA_BUFFERING_UPDATE, 100);
+        } else {
+            off_t size;
+            if (mDurationUs >= 0 && mCachedSource->getSize(&size) == OK) {
+                int64_t bitrate = size * 8000000ll / mDurationUs;  // in bits/sec
 
+                size_t cachedSize = mCachedSource->cachedSize();
+                int64_t cachedDurationUs = cachedSize * 8000000ll / bitrate;
+
+                int percentage = 100.0 * (double)cachedDurationUs / mDurationUs;
+                if (percentage > 100) {
+                    percentage = 100;
+                }
+
+                notifyListener_l(MEDIA_BUFFERING_UPDATE, percentage);
+            } else {
+                // We don't know the bitrate of the stream, use absolute size
+                // limits to maintain the cache.
+
+                const size_t kLowWaterMarkBytes = 400000;
+                const size_t kHighWaterMarkBytes = 1000000;
+
+                if ((mFlags & PLAYING) && !eos
+                        && (cachedDataRemaining < kLowWaterMarkBytes)) {
+                    LOGI("cache is running low (< %d) , pausing.",
+                         kLowWaterMarkBytes);
+                    mFlags |= CACHE_UNDERRUN;
+                    pause_l();
+                    notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
+                } else if (eos || cachedDataRemaining > kHighWaterMarkBytes) {
+                    if (mFlags & CACHE_UNDERRUN) {
+                        LOGI("cache has filled up (> %d), resuming.",
+                             kHighWaterMarkBytes);
+                        mFlags &= ~CACHE_UNDERRUN;
+                        play_l();
+                        notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
+                    } else if (mFlags & PREPARING) {
+                        LOGV("cache has filled up (> %d), prepare is done",
+                             kHighWaterMarkBytes);
+                        finishAsyncPrepare_l();
+                    }
+                }
+            }
+        }
+    }
+
+    int64_t cachedDurationUs;
+    bool eos;
+    if (getCachedDuration_l(&cachedDurationUs, &eos)) {
         if ((mFlags & PLAYING) && !eos
-                && (queueDurationUs < kLowWaterMarkSecs * 1000000ll)) {
-            LOGI("rtsp cache is running low, pausing.");
+                && (cachedDurationUs < kLowWaterMarkUs)) {
+            LOGI("cache is running low (%.2f secs) , pausing.",
+                 cachedDurationUs / 1E6);
             mFlags |= CACHE_UNDERRUN;
             pause_l();
             notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
-        } else if ((mFlags & CACHE_UNDERRUN)
-                && (eos || queueDurationUs > kHighWaterMarkSecs * 1000000ll)) {
-            LOGI("rtsp cache has filled up, resuming.");
-            mFlags &= ~CACHE_UNDERRUN;
-            play_l();
-            notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
-        }
-
-        postBufferingEvent_l();
-        return;
-    }
-
-    if (mCachedSource == NULL) {
-        return;
-    }
-
-    bool eos;
-    size_t cachedDataRemaining = mCachedSource->approxDataRemaining(&eos);
-
-    size_t lowWatermark = 400000;
-    size_t highWatermark = 1000000;
-
-    if (eos) {
-        notifyListener_l(MEDIA_BUFFERING_UPDATE, 100);
-    } else {
-        off_t size;
-        if (mDurationUs >= 0 && mCachedSource->getSize(&size) == OK) {
-            int64_t bitrate = size * 8000000ll / mDurationUs;  // in bits/sec
-
-            size_t cachedSize = mCachedSource->cachedSize();
-            int64_t cachedDurationUs = cachedSize * 8000000ll / bitrate;
-
-            int percentage = 100.0 * (double)cachedDurationUs / mDurationUs;
-            if (percentage > 100) {
-                percentage = 100;
+        } else if (eos || cachedDurationUs > kHighWaterMarkUs) {
+            if (mFlags & CACHE_UNDERRUN) {
+                LOGI("cache has filled up (%.2f secs), resuming.",
+                     cachedDurationUs / 1E6);
+                mFlags &= ~CACHE_UNDERRUN;
+                play_l();
+                notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
+            } else if (mFlags & PREPARING) {
+                LOGV("cache has filled up (%.2f secs), prepare is done",
+                     cachedDurationUs / 1E6);
+                finishAsyncPrepare_l();
             }
-
-            notifyListener_l(MEDIA_BUFFERING_UPDATE, percentage);
-
-            lowWatermark = kLowWaterMarkSecs * bitrate / 8;
-            highWatermark = kHighWaterMarkSecs * bitrate / 8;
         }
     }
 
-    if ((mFlags & PLAYING) && !eos && (cachedDataRemaining < lowWatermark)) {
-        LOGI("cache is running low (< %d) , pausing.", lowWatermark);
-        mFlags |= CACHE_UNDERRUN;
-        pause_l();
-        notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_START);
-    } else if ((mFlags & CACHE_UNDERRUN)
-            && (eos || cachedDataRemaining > highWatermark)) {
-        LOGI("cache has filled up (> %d), resuming.", highWatermark);
-        mFlags &= ~CACHE_UNDERRUN;
-        play_l();
-        notifyListener_l(MEDIA_INFO, MEDIA_INFO_BUFFERING_END);
-    }
-
     postBufferingEvent_l();
 }
 
@@ -1437,45 +1463,49 @@
 }
 
 void AwesomePlayer::onPrepareAsyncEvent() {
-    {
-        Mutex::Autolock autoLock(mLock);
+    Mutex::Autolock autoLock(mLock);
 
-        if (mFlags & PREPARE_CANCELLED) {
-            LOGI("prepare was cancelled before doing anything");
-            abortPrepare(UNKNOWN_ERROR);
+    if (mFlags & PREPARE_CANCELLED) {
+        LOGI("prepare was cancelled before doing anything");
+        abortPrepare(UNKNOWN_ERROR);
+        return;
+    }
+
+    if (mUri.size() > 0) {
+        status_t err = finishSetDataSource_l();
+
+        if (err != OK) {
+            abortPrepare(err);
             return;
         }
-
-        if (mUri.size() > 0) {
-            status_t err = finishSetDataSource_l();
-
-            if (err != OK) {
-                abortPrepare(err);
-                return;
-            }
-        }
-
-        if (mVideoTrack != NULL && mVideoSource == NULL) {
-            status_t err = initVideoDecoder();
-
-            if (err != OK) {
-                abortPrepare(err);
-                return;
-            }
-        }
-
-        if (mAudioTrack != NULL && mAudioSource == NULL) {
-            status_t err = initAudioDecoder();
-
-            if (err != OK) {
-                abortPrepare(err);
-                return;
-            }
-        }
     }
 
-    Mutex::Autolock autoLock(mLock);
+    if (mVideoTrack != NULL && mVideoSource == NULL) {
+        status_t err = initVideoDecoder();
 
+        if (err != OK) {
+            abortPrepare(err);
+            return;
+        }
+    }
+
+    if (mAudioTrack != NULL && mAudioSource == NULL) {
+        status_t err = initAudioDecoder();
+
+        if (err != OK) {
+            abortPrepare(err);
+            return;
+        }
+    }
+
+    if (mCachedSource != NULL || mRTSPController != NULL) {
+        postBufferingEvent_l();
+    } else {
+        finishAsyncPrepare_l();
+    }
+}
+
+void AwesomePlayer::finishAsyncPrepare_l() {
     if (mIsAsyncPrepare) {
         if (mVideoWidth < 0 || mVideoHeight < 0) {
             notifyListener_l(MEDIA_SET_VIDEO_SIZE, 0, 0);
@@ -1491,8 +1521,6 @@
     mFlags |= PREPARED;
     mAsyncPrepareEvent = NULL;
     mPreparedCondition.broadcast();
-
-    postBufferingEvent_l();
 }
 
 status_t AwesomePlayer::suspend() {
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index 5dcbc22..806836d 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -32,7 +32,6 @@
 #include <media/stagefright/MediaSource.h>
 #include <media/stagefright/Utils.h>
 #include <media/mediarecorder.h>
-#include <cutils/properties.h>
 
 #include "include/ESDS.h"
 
@@ -113,7 +112,6 @@
 
     size_t        mNumStssTableEntries;
     List<int32_t> mStssTableEntries;
-    List<int64_t> mChunkDurations;
 
     size_t        mNumSttsTableEntries;
     struct SttsTableEntry {
@@ -167,12 +165,6 @@
     void trackProgressStatus(int64_t timeUs, status_t err = OK);
     void initTrackingProgressStatus(MetaData *params);
 
-    // Utilities for collecting statistical data
-    void logStatisticalData(bool isAudio);
-    void findMinAvgMaxSampleDurationMs(
-            int32_t *min, int32_t *avg, int32_t *max);
-    void findMinMaxChunkDurations(int64_t *min, int64_t *max);
-
     void getCodecSpecificDataFromInputFormatIfPossible();
 
     // Determine the track time scale
@@ -193,10 +185,9 @@
     Track &operator=(const Track &);
 };
 
-#define USE_NALLEN_FOUR         1
-
 MPEG4Writer::MPEG4Writer(const char *filename)
     : mFile(fopen(filename, "wb")),
+      mUse4ByteNalLength(true),
       mUse32BitOffset(true),
       mPaused(false),
       mStarted(false),
@@ -209,6 +200,7 @@
 
 MPEG4Writer::MPEG4Writer(int fd)
     : mFile(fdopen(fd, "wb")),
+      mUse4ByteNalLength(true),
       mUse32BitOffset(true),
       mPaused(false),
       mStarted(false),
@@ -360,11 +352,11 @@
         }
     }
 
-    // System property can overwrite the file offset bits parameter
-    char value[PROPERTY_VALUE_MAX];
-    if (property_get("media.stagefright.record-64bits", value, NULL)
-        && (!strcmp(value, "1") || !strcasecmp(value, "true"))) {
-        mUse32BitOffset = false;
+    int32_t use2ByteNalLength;
+    if (param &&
+        param->findInt32(kKey2ByteNalLength, &use2ByteNalLength) &&
+        use2ByteNalLength) {
+        mUse4ByteNalLength = false;
     }
 
     mStartTimestampUs = -1;
@@ -639,32 +631,30 @@
 
     size_t length = buffer->range_length();
 
-#if USE_NALLEN_FOUR
-    uint8_t x = length >> 24;
-    fwrite(&x, 1, 1, mFile);
-    x = (length >> 16) & 0xff;
-    fwrite(&x, 1, 1, mFile);
-    x = (length >> 8) & 0xff;
-    fwrite(&x, 1, 1, mFile);
-    x = length & 0xff;
-    fwrite(&x, 1, 1, mFile);
-#else
-    CHECK(length < 65536);
+    if (mUse4ByteNalLength) {
+        uint8_t x = length >> 24;
+        fwrite(&x, 1, 1, mFile);
+        x = (length >> 16) & 0xff;
+        fwrite(&x, 1, 1, mFile);
+        x = (length >> 8) & 0xff;
+        fwrite(&x, 1, 1, mFile);
+        x = length & 0xff;
+        fwrite(&x, 1, 1, mFile);
 
-    uint8_t x = length >> 8;
-    fwrite(&x, 1, 1, mFile);
-    x = length & 0xff;
-    fwrite(&x, 1, 1, mFile);
-#endif
+        fwrite((const uint8_t *)buffer->data() + buffer->range_offset(),
+                1, length, mFile);
+        mOffset += length + 4;
+    } else {
+        CHECK(length < 65536);
 
-    fwrite((const uint8_t *)buffer->data() + buffer->range_offset(),
-           1, length, mFile);
-
-#if USE_NALLEN_FOUR
-    mOffset += length + 4;
-#else
-    mOffset += length + 2;
-#endif
+        uint8_t x = length >> 8;
+        fwrite(&x, 1, 1, mFile);
+        x = length & 0xff;
+        fwrite(&x, 1, 1, mFile);
+        fwrite((const uint8_t *)buffer->data() + buffer->range_offset(),
+                1, length, mFile);
+        mOffset += length + 2;
+    }
 
     return old_offset;
 }
@@ -1204,46 +1194,6 @@
     return (void *) err;
 }
 
-#include <ctype.h>
-static void hexdump(const void *_data, size_t size) {
-    const uint8_t *data = (const uint8_t *)_data;
-    size_t offset = 0;
-    while (offset < size) {
-        printf("0x%04x  ", offset);
-
-        size_t n = size - offset;
-        if (n > 16) {
-            n = 16;
-        }
-
-        for (size_t i = 0; i < 16; ++i) {
-            if (i == 8) {
-                printf(" ");
-            }
-
-            if (offset + i < size) {
-                printf("%02x ", data[offset + i]);
-            } else {
-                printf("   ");
-            }
-        }
-
-        printf(" ");
-
-        for (size_t i = 0; i < n; ++i) {
-            if (isprint(data[offset + i])) {
-                printf("%c", data[offset + i]);
-            } else {
-                printf(".");
-            }
-        }
-
-        printf("\n");
-
-        offset += 16;
-    }
-}
-
 static void getNalUnitType(uint8_t byte, uint8_t* type) {
     LOGV("getNalUnitType: %d", byte);
 
@@ -1415,7 +1365,6 @@
 
 status_t MPEG4Writer::Track::makeAVCCodecSpecificData(
         const uint8_t *data, size_t size) {
-    // hexdump(data, size);
 
     if (mCodecSpecificData != NULL) {
         LOGE("Already have codec specific data");
@@ -1446,11 +1395,11 @@
     header[3] = mLevelIdc;
 
     // 6-bit '111111' followed by 2-bit to lengthSizeMinuusOne
-#if USE_NALLEN_FOUR
-    header[4] = 0xfc | 3;  // length size == 4 bytes
-#else
-    header[4] = 0xfc | 1;  // length size == 2 bytes
-#endif
+    if (mOwner->useNalLengthFour()) {
+        header[4] = 0xfc | 3;  // length size == 4 bytes
+    } else {
+        header[4] = 0xfc | 1;  // length size == 2 bytes
+    }
 
     // 3-bit '111' followed by 5-bit numSequenceParameterSets
     int nSequenceParamSets = mSeqParamSets.size();
@@ -1487,15 +1436,6 @@
     return OK;
 }
 
-static bool collectStatisticalData() {
-    char value[PROPERTY_VALUE_MAX];
-    if (property_get("media.stagefright.record-stats", value, NULL)
-        && (!strcmp(value, "1") || !strcasecmp(value, "true"))) {
-        return true;
-    }
-    return false;
-}
-
 status_t MPEG4Writer::Track::threadEntry() {
     int32_t count = 0;
     const int64_t interleaveDurationUs = mOwner->interleaveDuration();
@@ -1512,7 +1452,6 @@
     int64_t timestampUs;
 
     sp<MetaData> meta_data;
-    bool collectStats = collectStatisticalData();
 
     mNumSamples = 0;
     status_t err = OK;
@@ -1575,14 +1514,14 @@
 
         if (mIsAvc) StripStartcode(copy);
 
-        size_t sampleSize;
-        sampleSize = mIsAvc
-#if USE_NALLEN_FOUR
-                ? copy->range_length() + 4
-#else
-                ? copy->range_length() + 2
-#endif
-                : copy->range_length();
+        size_t sampleSize = copy->range_length();
+        if (mIsAvc) {
+            if (mOwner->useNalLengthFour()) {
+                sampleSize += 4;
+            } else {
+                sampleSize += 2;
+            }
+        }
 
         // Max file size or duration handling
         mMdatSizeBytes += sampleSize;
@@ -1722,9 +1661,6 @@
             } else {
                 if (timestampUs - chunkTimestampUs > interleaveDurationUs) {
                     ++nChunks;
-                    if (collectStats) {
-                        mChunkDurations.push_back(timestampUs - chunkTimestampUs);
-                    }
                     if (nChunks == 1 ||  // First chunk
                         (--(mStscTableEntries.end()))->samplesPerChunk !=
                          mChunkSamples.size()) {
@@ -1767,7 +1703,6 @@
     LOGI("Received total/0-length (%d/%d) buffers and encoded %d frames. - %s",
             count, nZeroLengthFrames, mNumSamples, mIsAudio? "audio": "video");
 
-    logStatisticalData(mIsAudio);
     if (err == ERROR_END_OF_STREAM) {
         return OK;
     }
@@ -1792,17 +1727,6 @@
     CHECK(nTracks < 64);  // Arbitrary number
 
     int32_t trackNum = 0;
-#if 0
-    // In the worst case, we can put the trackNum
-    // along with MEDIA_RECORDER_INFO_COMPLETION_STATUS
-    // to report the progress.
-    for (List<Track *>::iterator it = mTracks.begin();
-         it != mTracks.end(); ++it, ++trackNum) {
-        if (track == (*it)) {
-            break;
-        }
-    }
-#endif
     CHECK(trackNum < nTracks);
     trackNum <<= 16;
 
@@ -1829,91 +1753,6 @@
     }
 }
 
-void MPEG4Writer::Track::findMinAvgMaxSampleDurationMs(
-        int32_t *min, int32_t *avg, int32_t *max) {
-    CHECK(!mSampleSizes.empty());
-    int32_t avgSampleDurationMs = mTrackDurationUs / 1000 / mNumSamples;
-    int32_t minSampleDurationMs = 0x7FFFFFFF;
-    int32_t maxSampleDurationMs = 0;
-    for (List<SttsTableEntry>::iterator it = mSttsTableEntries.begin();
-        it != mSttsTableEntries.end(); ++it) {
-        int32_t sampleDurationMs =
-            (static_cast<int32_t>(it->sampleDurationUs) + 500) / 1000;
-        if (sampleDurationMs > maxSampleDurationMs) {
-            maxSampleDurationMs = sampleDurationMs;
-        } else if (sampleDurationMs < minSampleDurationMs) {
-            minSampleDurationMs = sampleDurationMs;
-        }
-        LOGI("sample duration: %d ms", sampleDurationMs);
-    }
-    CHECK(minSampleDurationMs != 0);
-    CHECK(avgSampleDurationMs != 0);
-    CHECK(maxSampleDurationMs != 0);
-    *min = minSampleDurationMs;
-    *avg = avgSampleDurationMs;
-    *max = maxSampleDurationMs;
-}
-
-// Don't count the last duration
-void MPEG4Writer::Track::findMinMaxChunkDurations(int64_t *min, int64_t *max) {
-    int64_t duration = mOwner->interleaveDuration();
-    int64_t minChunkDuration = duration;
-    int64_t maxChunkDuration = duration;
-    if (mChunkDurations.size() > 1) {
-        for (List<int64_t>::iterator it = mChunkDurations.begin();
-            it != --mChunkDurations.end(); ++it) {
-            if (minChunkDuration > (*it)) {
-                minChunkDuration = (*it);
-            } else if (maxChunkDuration < (*it)) {
-                maxChunkDuration = (*it);
-            }
-        }
-    }
-    *min = minChunkDuration;
-    *max = maxChunkDuration;
-}
-
-void MPEG4Writer::Track::logStatisticalData(bool isAudio) {
-    if (mTrackDurationUs <= 0 || mSampleSizes.empty()) {
-        LOGI("nothing is recorded");
-        return;
-    }
-
-    bool collectStats = collectStatisticalData();
-
-    if (collectStats) {
-        LOGI("%s track - duration %lld us, total %d frames",
-                isAudio? "audio": "video", mTrackDurationUs,
-                mNumSamples);
-        int32_t min, avg, max;
-        findMinAvgMaxSampleDurationMs(&min, &avg, &max);
-        LOGI("min/avg/max sample duration (ms): %d/%d/%d", min, avg, max);
-        if (!isAudio) {
-            float avgFps = 1000.0 / avg;
-            float minFps = 1000.0 / max;
-            float maxFps = 1000.0 / min;
-            LOGI("min/avg/max frame rate (fps): %.2f/%.2f/%.2f",
-                minFps, avgFps, maxFps);
-        }
-
-        int64_t totalBytes = 0;
-        for (List<size_t>::iterator it = mSampleSizes.begin();
-            it != mSampleSizes.end(); ++it) {
-            totalBytes += (*it);
-        }
-        float bitRate = (totalBytes * 8000000.0) / mTrackDurationUs;
-        LOGI("avg bit rate (bps): %.2f", bitRate);
-
-        int64_t duration = mOwner->interleaveDuration();
-        if (duration != 0) {  // If interleaving is enabled
-            int64_t minChunk, maxChunk;
-            findMinMaxChunkDurations(&minChunk, &maxChunk);
-            LOGI("min/avg/max chunk duration (ms): %lld/%lld/%lld",
-                minChunk, duration, maxChunk);
-        }
-    }
-}
-
 void MPEG4Writer::setDriftTimeUs(int64_t driftTimeUs) {
     LOGV("setDriftTimeUs: %lld us", driftTimeUs);
     Mutex::Autolock autolock(mLock);
@@ -1926,6 +1765,10 @@
     return mDriftTimeUs;
 }
 
+bool MPEG4Writer::useNalLengthFour() {
+    return mUse4ByteNalLength;
+}
+
 void MPEG4Writer::Track::bufferChunk(int64_t timestampUs) {
     LOGV("bufferChunk");
 
diff --git a/media/libstagefright/include/AwesomePlayer.h b/media/libstagefright/include/AwesomePlayer.h
index 55e2c36..f47deb8 100644
--- a/media/libstagefright/include/AwesomePlayer.h
+++ b/media/libstagefright/include/AwesomePlayer.h
@@ -238,6 +238,9 @@
     void onCheckAudioStatus();
     void onPrepareAsyncEvent();
     void abortPrepare(status_t err);
+    void finishAsyncPrepare_l();
+
+    bool getCachedDuration_l(int64_t *durationUs, bool *eos);
 
     status_t finishSetDataSource_l();
 
diff --git a/services/java/com/android/server/PackageManagerService.java b/services/java/com/android/server/PackageManagerService.java
index f5862df..e3480a8 100644
--- a/services/java/com/android/server/PackageManagerService.java
+++ b/services/java/com/android/server/PackageManagerService.java
@@ -2022,7 +2022,11 @@
                     ActivityInfo ai = getActivityInfo(pa.mActivity, flags);
                     if (DEBUG_PREFERRED) {
                         Log.v(TAG, "Got preferred activity:");
-                        ai.dump(new LogPrinter(Log.INFO, TAG), "  ");
+                        if (ai != null) {
+                            ai.dump(new LogPrinter(Log.VERBOSE, TAG), "  ");
+                        } else {
+                            Log.v(TAG, "  null");
+                        }
                     }
                     if (ai != null) {
                         for (int j=0; j<N; j++) {
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index 30dc5ea..89a1627 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -6801,7 +6801,7 @@
                                 app.pid, app.getPackageList());
                     currApp.uid = app.info.uid;
                     if (mHeavyWeightProcess == app) {
-                        currApp.flags |= ActivityManager.RunningAppProcessInfo.FLAG_HEAVY_WEIGHT;
+                        currApp.flags |= ActivityManager.RunningAppProcessInfo.FLAG_CANT_SAVE_STATE;
                     }
                     int adj = app.curAdj;
                     if (adj >= EMPTY_APP_ADJ) {
diff --git a/telephony/java/com/android/internal/telephony/PhoneBase.java b/telephony/java/com/android/internal/telephony/PhoneBase.java
index 74601e6..ff28773 100644
--- a/telephony/java/com/android/internal/telephony/PhoneBase.java
+++ b/telephony/java/com/android/internal/telephony/PhoneBase.java
@@ -286,7 +286,7 @@
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getContext());
         SharedPreferences.Editor editor = sp.edit();
         editor.putBoolean(DNS_SERVER_CHECK_DISABLED_KEY, b);
-        editor.commit();
+        editor.apply();
     }
 
     /**
diff --git a/telephony/java/com/android/internal/telephony/cdma/CDMAPhone.java b/telephony/java/com/android/internal/telephony/cdma/CDMAPhone.java
index c21b6d9..4508e9a 100755
--- a/telephony/java/com/android/internal/telephony/cdma/CDMAPhone.java
+++ b/telephony/java/com/android/internal/telephony/cdma/CDMAPhone.java
@@ -1405,7 +1405,7 @@
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getContext());
         SharedPreferences.Editor editor = sp.edit();
         editor.putString(VM_NUMBER_CDMA, number);
-        editor.commit();
+        editor.apply();
     }
 
     /**
diff --git a/telephony/java/com/android/internal/telephony/cdma/CdmaSMSDispatcher.java b/telephony/java/com/android/internal/telephony/cdma/CdmaSMSDispatcher.java
index 8eaf4a2..dceff2a 100644
--- a/telephony/java/com/android/internal/telephony/cdma/CdmaSMSDispatcher.java
+++ b/telephony/java/com/android/internal/telephony/cdma/CdmaSMSDispatcher.java
@@ -127,7 +127,7 @@
                     mPhone.getContext());
             SharedPreferences.Editor editor = sp.edit();
             editor.putInt(CDMAPhone.VM_COUNT_CDMA, voicemailCount);
-            editor.commit();
+            editor.apply();
             ((CDMAPhone) mPhone).updateMessageWaitingIndicator(voicemailCount);
             handled = true;
         } else if (((SmsEnvelope.TELESERVICE_WMT == teleService) ||
diff --git a/telephony/java/com/android/internal/telephony/gsm/GSMPhone.java b/telephony/java/com/android/internal/telephony/gsm/GSMPhone.java
index c7b1e5c..e5ca519 100644
--- a/telephony/java/com/android/internal/telephony/gsm/GSMPhone.java
+++ b/telephony/java/com/android/internal/telephony/gsm/GSMPhone.java
@@ -807,7 +807,7 @@
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getContext());
         SharedPreferences.Editor editor = sp.edit();
         editor.putString(VM_NUMBER, number);
-        editor.commit();
+        editor.apply();
         setVmSimImsi(getSubscriberId());
     }
 
@@ -830,7 +830,7 @@
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getContext());
         SharedPreferences.Editor editor = sp.edit();
         editor.putString(VM_SIM_IMSI, imsi);
-        editor.commit();
+        editor.apply();
     }
 
     public String getVoiceMailAlphaTag() {