Remove the mediaProjectionRequestAttributionFix flag

 Ibcc14090ce38a0fac21a394d861d044b9669a8a0 was flag but is actually
a security fix, so we should not flag the change

Flag: EXEMPT security fix
Bug: 372670004
Test: N/A
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:3b422f0543874c8e1fc27af096e183a7dd4bb8dc)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:bec2b4b2ebe713e544cd7001a764f0fdbd9ba678)
Merged-In: I1fe00d54ac8b8fcf802c0b0ac18ab2a802272325
Change-Id: I1fe00d54ac8b8fcf802c0b0ac18ab2a802272325