Every once and a while I have an issue with the new Android Studio. Sometimes while editing, if I make a mistake in one of my files, then try to build it, Android studio will come back with some "Gradle" error. It will then automatically REVERT back to my original code (thus deleting any of my changes). I do not necessarily like this behavior, but I could deal with it. However... sometimes, in the course of SAVING and editing, it gets into this weird state where Android Studio will REMEMBER the error, and wont let me correct it. I.e. it will keep restoring the OLD version of the file, with the error in it, no matter how many times I try to correct it and re-save it. An example of this is as follows. In the following XML document fragment, I mistakenly added the [android:backcolor="#00000000"] to one of my XML layout files...

<TextView xmlns:android="http://schemas.android.com/apk/res/android"
          android:id="@android:id/text1"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:textAppearance="?android:attr/textAppearanceListItemSmall"
          android:gravity="center_vertical"
          android:paddingLeft="16dp"
          android:paddingRight="16dp"
          android:textColor="#111"
          android:background="?android:attr/activatedBackgroundIndicator"
          android:backcolor="#00000000"
          android:minHeight="?android:attr/listPreferredItemHeightSmall"/>

After trying to build, Android Studio came back with the following error: "Error:(1, -1) Gradle:No resource identifier found for attributed 'backcolor' in package 'android'.

Of course, I tried to simply DELETE the offending line that I added to return my code to its original state, before I added the line. I saved it (i.e. save-all/etc...) then tried to rebuild. To my dismay, Android Studio RESTORES the bad version, reinserting the erroneous [android:backcolor="#00000000"] l

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