Remove overlayable.xml to prevent PixelDocumentsUIGoogleOverlay fail

system/bin/idmap2d:
   overlay "/product/overlay/PixelDocumentsUIGoogleOverlay/PixelDocumentsUIGoogleOverlay.apk"
is not allowed to overlay resource

Change-Id: I8dee307956d031d415e99e29758bd994733eef69
Fix: 127615752
Test: atest DocumentsUIGoogleTests
Test: remove res/values/overlayable.xml and update DocumentsUIGoogle.apk
1 file changed