Support priority based dumpsys in surface flinger
Call dump with no args when called with CRITICAL priority. Register
service with support for critical priority dumps.
BUG: 31774394
Test: adb bugreport ~/tmp.zip
Test: adb shell dumpsys --priority CRITICAL
Test: mmm -j32 frameworks/native/services/utils && \
adb sync data && adb shell /data/nativetest/prioritydumper_test/prioritydumper_test && \
adb shell /data/nativetest64/prioritydumper_test/prioritydumper_test && \
printf "\n\n#### ALL TESTS PASSED ####\n"
Change-Id: I29140808493eb7c8805bfa338ab9a335154862b4
11 files changed