fix debugging script for the SampleApp

platform_tools/android/bin/android_gdb_apk

 #!/bin/bash
 #
 # android_gdb: Pushes parameter binary and gdbserver. Connects
 # and enters debugging environment.
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 source $SCRIPT_DIR/android_setup.sh
 
 APP_NAME=${APP_ARGS[0]}
 PORT=5039
 
 source $SCRIPT_DIR/utils/setup_adb.sh
 
-echo "Installing Skia Android app"
-$SCRIPT_DIR/android_install_skia_apk -f
 
 # Forward local to remote socket connection.
 $ADB forward "tcp:$PORT" "tcp:$PORT"
 
 # We kill all previous instances of gdbserver to rid all port overriding errors.
 $ADB shell ps | grep gdbserver | awk '{print $2}' | xargs -r $ADB shell kill
 
 # We need the debug symbols from these files
 GDB_TMP_DIR=$(pwd)/android_gdb_tmp
 mkdir -p $GDB_TMP_DIR
 echo "Copying symbol files"
 adb_pull_if_needed /system/bin/app_process $GDB_TMP_DIR
 adb_pull_if_needed /system/lib/libc.so $GDB_TMP_DIR
 adb_pull_if_needed /data/data/com.skia/lib/libskia_android.so $GDB_TMP_DIR
 adb_pull_if_needed /data/data/com.skia/lib/libSampleApp.so $GDB_TMP_DIR
 
+echo "Pushing gdbserver..."
+adb_push_if_needed $ANDROID_TOOLCHAIN/../gdbserver /data/local/tmp
+
 # Launch the app
 SK_COMMAND="$APP_ARGS"
 echo "Running command $SK_COMMAND"
 adb shell am start -n com.skia/com.skia.SkiaSampleActivity
 
 # Attach gdbserver to the app process
 PID=$($ADB shell ps | grep com.skia | awk '{print $2}')
 echo "Attaching to pid: $PID"
-$ADB shell /data/data/com.skia/lib/gdbserver :$PORT --attach $PID &
+$ADB shell /data/local/tmp/gdbserver :$PORT --attach $PID &
 
 # Wait for gdbserver
 sleep 2
 
 # Set up gdb commands
 GDBSETUP=$GDB_TMP_DIR/gdb.setup
 echo "file $GDB_TMP_DIR/app_process" >> $GDBSETUP
 echo "target remote :$PORT" >> $GDBSETUP
 echo "set solib-absolute-prefix $GDB_TMP_DIR" >> $GDBSETUP
 echo "set solib-search-path $GDB_TMP_DIR" >> $GDBSETUP
 
 # Launch gdb client
 echo "Entering gdb client shell"
 if [ "$ANDROID_ARCH" == "x86" ]
 then
   $ANDROID_TOOLCHAIN/i686-linux-android-gdb -x $GDBSETUP
 else
   $ANDROID_TOOLCHAIN/arm-linux-androideabi-gdb -x $GDBSETUP
 fi
 
 # Clean up
 rm -rf $GDB_TMP_DIR