Add execute permission to /data/apex/decompressed directory

Now that we are activating APEX directly from /data/apex/decompressed
directory, without this permission, PackageManager fails to parse
decompressed APEX. This permission setting is same as what we have for
/data/apex/active.

Bug: 185886528
Test: atest ApexCompressionTests
Change-Id: Ief36a6ddc5760faff2c390fa913984385fda99a6
1 file changed