Add (optional) logging statements on some permission checks.

They're useful to debug issues like why parts of the data is redacted.

Test: m -j com.android.wifi && adb install -r --staged --enable-rollback $ANDROID_PRODUCT_OUT/system/apex/com.android.wifi.apex && adb reboot
Bug: 132373384

Change-Id: Ibcf141b1b664a191e9f6bbdbc03217bee47c4e38
4 files changed