Revert of Improve Android scripts:

platform_tools/android/bin/android_gdb_exe

Index: platform_tools/android/bin/android_gdb_exe
diff --git a/platform_tools/android/bin/android_gdb_exe b/platform_tools/android/bin/android_gdb_exe
index 64be9bbd38774f5e241839d9115faceb60044693..920a16b38a124abf09da16ac28c332470950b167 100755
--- a/platform_tools/android/bin/android_gdb_exe
+++ b/platform_tools/android/bin/android_gdb_exe
@@ -25,19 +25,15 @@
 
 # Set up gdb commands
 GDBSETUP=$GDB_TMP_DIR/gdb.setup
-{
-    echo "file ${GDB_TMP_DIR}/skia_launcher"
-    echo "target remote :${PORT}"
-    echo "set solib-absolute-prefix ${GDB_TMP_DIR}"
-    echo "set solib-search-path ${GDB_TMP_DIR}
+echo "file $GDB_TMP_DIR/skia_launcher" >> $GDBSETUP
+echo "target remote :$PORT" >> $GDBSETUP
+echo "set solib-absolute-prefix $GDB_TMP_DIR" >> $GDBSETUP
+echo "set solib-search-path $GDB_TMP_DIR" >> $GDBSETUP
 
-    # The apps shared library symbols are not loaded by default so we
-    # load them here."
-    echo "break launch_app"
-    echo "continue"
-    echo "sharedLibrary ${APP_NAME}"
-} > $GDBSETUP
-
+# The apps shared library symbols are not loaded by default so we load them here
+echo "break launch_app" >> $GDBSETUP
+echo "continue" >> $GDBSETUP
+echo "sharedLibrary $APP_NAME" >> $GDBSETUP
 
 # Launch gdb client
 echo "Entering gdb client shell"